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360
Total words
12
Total lessons
360
Due for lesson 13
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Words due for next lesson (13)

WordDefinitionIntroduced inScheduled forExposuresOK / Fail
abate to become less strong or severe; or to make something less strong 3 4 1 0 / 0
aberrant departing from what is normal, expected, or accepted 8 9 1 0 / 0
abhor to strongly dislike or hate something 12 13 1 0 / 0
abrasive harsh, rude, or irritating in manner or behavior 6 7 1 0 / 0
absolve to free someone from blame, guilt, or responsibility 2 5 2 0 / 0
abstain to deliberately choose not to do or take part in something 11 12 1 0 / 0
acquiesce to accept or agree to something reluctantly but without protest 5 6 1 0 / 0
acrimonious angry and bitter, especially in speech or disagreement 10 11 1 0 / 0
acumen the ability to make quick, accurate judgments and decisions 4 5 1 0 / 0
adamant firmly refusing to change an opinion or decision 5 6 1 0 / 0
admonish to warn or criticize someone firmly but usually gently 5 6 1 0 / 0
adroit skillful, clever, and effective in handling a situation 10 11 1 0 / 0
adversary a person or group that opposes or competes with another 11 12 1 0 / 0
adverse harmful, unfavorable, or likely to cause difficulty 4 5 1 0 / 0
advocate to publicly support or recommend an idea, plan, or cause 3 4 1 0 / 0
affable friendly, pleasant, and easy to talk to 5 6 1 0 / 0
aggregate to combine separate amounts, items, or data into a total or whole 7 8 1 0 / 0
alleviate to make pain, difficulty, or a problem less severe 2 5 2 0 / 0
aloof emotionally distant and not friendly or involved 11 12 1 0 / 0
alter to change something 1 4 2 0 / 0
altruistic showing concern for the well-being of others without personal gain 4 5 1 0 / 0
ambiguous unclear because it can have more than one possible meaning 1 4 2 0 / 0
ambivalent having mixed or conflicting feelings about something 2 5 2 0 / 0
ameliorate to make a bad or difficult situation better 9 10 1 0 / 0
amicable friendly and peaceful, especially after disagreement 10 11 1 0 / 0
analyze to examine something carefully by looking at its parts 1 4 2 0 / 0
anecdotal based on personal stories rather than systematic evidence 11 12 1 0 / 0
animosity strong dislike or hostility 2 5 2 0 / 0
anomaly something that differs from what is normal, expected, or typical 7 8 1 0 / 0
antagonize to cause someone to become hostile or unfriendly 2 5 2 0 / 0
antiquated old-fashioned or no longer useful because something newer exists 11 12 1 0 / 0
apathetic showing little interest, emotion, or concern 10 11 1 0 / 0
appease to calm or satisfy someone by giving them what they want 5 6 1 0 / 0
apprehensive worried or uneasy about something that may happen 5 6 1 0 / 0
approach a way of dealing with something; or to come closer 1 4 2 0 / 0
approximate close to the exact amount; or to estimate roughly 1 4 2 0 / 0
arbitrary based on a choice or decision without a clear reason or rule 1 4 2 0 / 0
arbitrate to settle a disagreement by acting as a neutral judge 2 5 2 0 / 0
arduous requiring great effort, endurance, or difficulty 8 9 1 0 / 0
articulate able to express ideas clearly and effectively 5 6 1 0 / 0
assertive confident in expressing opinions or needs without being aggressive 11 12 1 0 / 0
assiduous showing constant, careful, and persistent effort 8 9 1 0 / 0
assimilate to absorb and understand information or become part of a group 2 5 2 0 / 0
astute clever and quick to understand situations 2 5 2 0 / 0
audacious bold and willing to take risks, sometimes shockingly so 2 5 2 0 / 0
augment to increase the size, amount, strength, or value of something 9 10 1 0 / 0
austere plain, strict, or without unnecessary comfort or decoration 4 5 1 0 / 0
autonomous independent and able to govern or control itself 7 8 1 0 / 0
avert to prevent something bad from happening 2 5 2 0 / 0
banal so ordinary or overused that it is boring and unoriginal 12 13 1 0 / 0
begrudge to resent someone for having or receiving something 11 12 1 0 / 0
belligerent hostile, aggressive, and eager to argue or fight 10 11 1 0 / 0
benevolent kind and generous, especially toward people in need 6 7 1 0 / 0
benign gentle or harmless; not dangerous or threatening 10 11 1 0 / 0
bolster to support or strengthen something 3 4 1 0 / 0
brevity the quality of using few words or lasting only a short time 11 12 1 0 / 0
calculated planned carefully to achieve a particular result 11 12 1 0 / 0
candid honest and direct, even when the truth may be uncomfortable 3 4 1 0 / 0
capricious changing suddenly and unpredictably, often for no clear reason 6 7 1 0 / 0
caustic sharply critical, sarcastic, or hurtful in speech 10 11 1 0 / 0
censure to express strong official criticism or disapproval 5 6 1 0 / 0
circumspect careful to consider possible risks before acting or speaking 6 7 1 0 / 0
circumvent to avoid or get around a rule, problem, or obstacle 4 5 1 0 / 0
clandestine kept secret because it is improper, illegal, or meant to be hidden 6 7 1 0 / 0
coalesce to come together and form one larger group or whole 9 10 1 0 / 0
coerce to force someone to do something through pressure or threats 12 13 1 0 / 0
coherent clear, logical, and well organized 3 4 1 0 / 0
compel to force or strongly persuade someone to do something 3 4 1 0 / 0
complacent too satisfied with a situation to notice possible problems 4 5 1 0 / 0
comprehensive including nearly everything necessary or relevant 11 12 1 0 / 0
concede to admit that something is true, often unwillingly 3 4 1 0 / 0
conciliatory intended to reduce conflict and restore friendly relations 8 9 1 0 / 0
concise expressing much in few words without unnecessary detail 4 5 1 0 / 0
conclusive strong enough to prove something or settle a question 7 8 1 0 / 0
concur to agree with an opinion, decision, or conclusion 5 6 1 0 / 0
concurrent happening or existing at the same time 7 8 1 0 / 0
condescending showing that one believes oneself superior to others 6 7 1 0 / 0
condone to accept or allow behavior that is considered wrong 9 10 1 0 / 0
conjecture a conclusion or guess based on incomplete evidence 6 7 1 0 / 0
consequence a result or effect, especially one caused by an action 1 4 2 0 / 0
consistent staying the same over time or agreeing with something else 1 4 2 0 / 0
conspicuous easy to notice because it stands out clearly 5 6 1 0 / 0
constrain to limit or restrict someone's choices, actions, or development 8 9 1 0 / 0
construe to interpret the meaning of a word, statement, or action in a particular way 9 10 1 0 / 0
contemptuous showing strong disrespect or scorn 6 7 1 0 / 0
contentious likely to cause disagreement or involving strong disagreement 4 5 1 0 / 0
contrast a clear difference; or to show how things are different 1 4 2 0 / 0
contrite feeling sincere regret or guilt for something wrong 10 11 1 0 / 0
controversial causing strong disagreement or public debate 11 12 1 0 / 0
converge to move toward the same point or become more similar 8 9 1 0 / 0
copious large in amount or quantity; abundant 10 11 1 0 / 0
correlate to show or have a relationship in which two things change or occur together 7 8 1 0 / 0
corroborate to confirm or support a statement with additional evidence 3 4 1 0 / 0
corrosive gradually damaging or weakening something, physically or figuratively 12 13 1 0 / 0
credible believable and worthy of trust 2 5 2 0 / 0
credulous too ready to believe things without enough evidence 5 6 1 0 / 0
criterion a standard used to judge or decide something 3 4 1 0 / 0
cryptic mysterious or difficult to understand because the meaning is hidden 10 11 1 0 / 0
cumulative increasing or growing through repeated additions over time 7 8 1 0 / 0
cursory quick and not detailed or thorough 2 5 2 0 / 0
cynical believing that people are mainly motivated by selfish interests 11 12 1 0 / 0
dearth a lack or shortage of something 2 5 2 0 / 0
debilitate to make someone or something physically or mentally weaker 11 12 1 0 / 0
deceptive giving a false impression or intended to mislead 11 12 1 0 / 0
decorum proper and polite behavior appropriate to a situation 5 6 1 0 / 0
deferential showing respectful attention to someone of higher status or authority 5 6 1 0 / 0
deficient not having enough of something essential 2 5 2 0 / 0
deleterious causing harm or damage 12 13 1 0 / 0
deliberate done intentionally and with careful thought 3 4 1 0 / 0
delineate to describe or show something precisely and clearly 9 10 1 0 / 0
denounce to publicly condemn or strongly criticize someone or something 9 10 1 0 / 0
deplete to use up or greatly reduce a supply or resource 8 9 1 0 / 0
deride to mock or speak about someone or something with contempt 12 13 1 0 / 0
derive to get or develop something from a source 1 4 2 0 / 0
despondent very discouraged, unhappy, and without hope 10 11 1 0 / 0
deter to discourage someone from acting by making the consequences seem risky or unpleasant 11 12 1 0 / 0
detract to reduce the value, importance, or quality of something 2 5 2 0 / 0
digress to move away from the main subject while speaking or writing 2 5 2 0 / 0
diligent showing steady, careful, and persistent effort 4 5 1 0 / 0
discern to notice, recognize, or understand something that is not obvious 3 4 1 0 / 0
discrepancy a difference between things that are expected to agree 11 12 1 0 / 0
discrete separate and distinct from other things 8 9 1 0 / 0
disdain a feeling that someone or something is unworthy of respect 6 7 1 0 / 0
dismiss to reject an idea as unimportant or unworthy of consideration 3 4 1 0 / 0
disparage to speak about someone or something in a way that lowers its value or reputation 5 6 1 0 / 0
dispassionate not influenced by strong emotion and therefore able to judge fairly 11 12 1 0 / 0
dispel to cause a doubt, fear, or false belief to disappear 12 13 1 0 / 0
disseminate to spread information or ideas widely 9 10 1 0 / 0
dissent disagreement with an accepted or majority opinion 7 8 1 0 / 0
distinguish to recognize or show the difference between things 1 4 2 0 / 0
distort to twist or change the truth, meaning, or appearance of something 2 5 2 0 / 0
diverge to move apart, develop differently, or disagree 8 9 1 0 / 0
divulge to reveal information that was previously secret or private 11 12 1 0 / 0
docile calm, obedient, and easy to control or teach 10 11 1 0 / 0
doctrine a set of beliefs or principles taught or accepted by a group 8 9 1 0 / 0
dogmatic stubbornly stating opinions as if they are unquestionably true 4 5 1 0 / 0
dubious doubtful, uncertain, or not likely to be trustworthy 5 6 1 0 / 0
eccentric unconventional and noticeably different from what is considered normal 6 7 1 0 / 0
eclectic made up of ideas or styles chosen from many different sources 4 5 1 0 / 0
elaborate to add more detail or explain something more fully 3 4 1 0 / 0
elated extremely happy and excited 12 13 1 0 / 0
elicit to draw out a response, answer, or reaction 2 5 2 0 / 0
eloquent fluent, persuasive, and effective in speaking or writing 4 5 1 0 / 0
elusive difficult to find, catch, achieve, or understand 8 9 1 0 / 0
empirical based on observation, experience, or experiment rather than theory alone 7 8 1 0 / 0
emulate to try to match or equal someone by copying their successful qualities 4 5 1 0 / 0
endorse to publicly approve, support, or recommend something 3 4 1 0 / 0
engender to cause a feeling, condition, or situation to develop 9 10 1 0 / 0
enigmatic mysterious and difficult to understand or explain 6 7 1 0 / 0
enumerate to list things one by one 9 10 1 0 / 0
ephemeral lasting for only a very short time 8 9 1 0 / 0
equitable fair and reasonable, especially in the way people are treated 8 9 1 0 / 0
equivocal unclear or open to more than one interpretation, often deliberately 7 8 1 0 / 0
equivocate to use deliberately unclear language to avoid committing to a clear position 9 10 1 0 / 0
erratic unpredictable or irregular in movement, behavior, or quality 4 5 1 0 / 0
erroneous incorrect because of an error or mistaken belief 5 6 1 0 / 0
erudite having or showing great knowledge gained through study 10 11 1 0 / 0
establish to create, set up, or show something clearly 1 4 2 0 / 0
evaluate to judge the quality, value, or effectiveness of something 1 4 2 0 / 0
evasive avoiding a direct answer or trying to escape attention or responsibility 4 5 1 0 / 0
evident clear or easy to see or understand 1 4 2 0 / 0
exacerbate to make a problem, condition, or situation worse 2 5 2 0 / 0
exasperate to irritate or frustrate someone greatly 12 13 1 0 / 0
exemplary excellent enough to serve as a model or example 4 5 1 0 / 0
exemplify to be a clear example of a quality, idea, or type 11 12 1 0 / 0
exhaustive complete and thorough, including all or nearly all possibilities 7 8 1 0 / 0
exonerate to officially clear someone from blame or responsibility 12 13 1 0 / 0
explicit stated clearly and directly, leaving no doubt 2 5 2 0 / 0
expound to explain an idea or theory in detail 9 10 1 0 / 0
extrapolate to estimate or infer something beyond the known information 9 10 1 0 / 0
exuberant full of energy, excitement, or cheerful enthusiasm 10 11 1 0 / 0
facilitate to make an action or process easier 8 9 1 0 / 0
factor something that helps cause or influence a result 1 4 2 0 / 0
fallacy a mistaken belief or faulty idea, especially in reasoning 2 5 2 0 / 0
fastidious very careful about details and difficult to please 2 5 2 0 / 0
feasible possible and practical to do successfully 2 5 2 0 / 0
feign to pretend to have a feeling, condition, or quality that is not genuine 12 13 1 0 / 0
fervent showing strong and sincere enthusiasm or emotion 6 7 1 0 / 0
finite having a limit or end; not infinite 8 9 1 0 / 0
flagrant obviously wrong or offensive in a shocking way 12 13 1 0 / 0
foreboding a feeling that something bad is going to happen 2 5 2 0 / 0
forestall to prevent or delay something by taking action in advance 9 10 1 0 / 0
formidable very difficult, powerful, or impressive 4 5 1 0 / 0
formulate to develop or create something carefully, such as a plan or idea 2 5 2 0 / 0
forthright direct, honest, and straightforward in speech or behavior 6 7 1 0 / 0
fortify to strengthen or protect something 2 5 2 0 / 0
frivolous not serious or useful; lacking an important purpose 10 11 1 0 / 0
frugal careful about spending money or using resources; not wasteful 4 5 1 0 / 0
futile unlikely to succeed or produce a useful result 3 4 1 0 / 0
grapple to struggle with or work hard to understand a difficult problem 2 5 2 0 / 0
gregarious sociable and enjoying the company of other people 5 6 1 0 / 0
hackneyed overused so often that it has become dull or unoriginal 6 7 1 0 / 0
hamper to make progress or movement more difficult 9 10 1 0 / 0
haughty proud and acting as though other people are less important 10 11 1 0 / 0
hierarchy a system in which people or things are ranked by level or importance 7 8 1 0 / 0
hindrance something that makes progress difficult 2 5 2 0 / 0
hypothetical based on an imagined situation rather than a real one 2 5 2 0 / 0
imminent about to happen very soon 10 11 1 0 / 0
immutable unable to be changed 8 9 1 0 / 0
impartial fair and not favoring one side over another 3 4 1 0 / 0
impeccable without mistakes or faults; extremely well done 11 12 1 0 / 0
imperative extremely important or necessary 2 5 2 0 / 0
impetuous acting quickly and without enough thought about the consequences 8 9 1 0 / 0
implicit suggested or understood without being directly stated 7 8 1 0 / 0
improvise to create or perform something without preparing it beforehand 12 13 1 0 / 0
impugn to challenge the truth, honesty, or character of someone or something 9 10 1 0 / 0
incessant continuing without stopping or pausing 12 13 1 0 / 0
incisive clear, sharp, and showing strong understanding or judgment 8 9 1 0 / 0
incongruous not fitting together naturally or seeming out of place 6 7 1 0 / 0
indicate to show, point out, or suggest something 1 4 2 0 / 0
indifferent having little interest, concern, or preference 11 12 1 0 / 0
indignant angry because something seems unfair or insulting 5 6 1 0 / 0
indispensable absolutely necessary and impossible to do without 7 8 1 0 / 0
indolent habitually lazy and avoiding effort 6 7 1 0 / 0
induce to cause something to happen or persuade someone to do something 8 9 1 0 / 0
inept lacking skill or ability in a particular situation 12 13 1 0 / 0
inevitable certain to happen or impossible to avoid 1 4 2 0 / 0
infer to reach a conclusion from evidence or clues 1 4 2 0 / 0
ingenuous honest, innocent, and straightforward, sometimes from lack of experience 10 11 1 0 / 0
inherent existing as a natural or essential part of something 4 5 1 0 / 0
inhibit to prevent, slow, or limit an action or process 3 4 1 0 / 0
innocuous harmless and not likely to cause damage or offense 6 7 1 0 / 0
innovative introducing new ideas, methods, or designs 3 4 1 0 / 0
insipid lacking flavor, interest, energy, or excitement 10 11 1 0 / 0
insular narrow in outlook because of limited experience with other people or ideas 11 12 1 0 / 0
integral essential and necessary as part of a whole 8 9 1 0 / 0
interpret to explain or understand the meaning of something 1 4 2 0 / 0
intrepid fearless and willing to face danger or difficulty 6 7 1 0 / 0
intuitive understood or known through instinct rather than deliberate reasoning 12 13 1 0 / 0
invoke to refer to or call upon a rule, authority, idea, or power for support 7 8 1 0 / 0
judicious showing good judgment and careful thought 4 5 1 0 / 0
justify to give good reasons or evidence to show that something is reasonable 1 4 2 0 / 0
juxtapose to place two things close together so their differences or similarities are clear 9 10 1 0 / 0
lament to express sadness or regret about something 12 13 1 0 / 0
lethargic lacking energy, enthusiasm, or alertness 5 6 1 0 / 0
lucid clear and easy to understand 3 4 1 0 / 0
magnanimous generous and forgiving, especially toward a rival or weaker person 5 6 1 0 / 0
magnitude the great size, extent, or importance of something 7 8 1 0 / 0
maintain to keep something going, at the same level, or in good condition 1 4 2 0 / 0
malicious intending to harm or cause suffering to someone 11 12 1 0 / 0
malleable able to be shaped, changed, or influenced fairly easily 12 13 1 0 / 0
meager too small in amount or quantity; insufficient 4 5 1 0 / 0
mediate to help opposing people or groups reach an agreement 8 9 1 0 / 0
meticulous extremely careful and attentive to small details 3 4 1 0 / 0
mitigate to make something harmful, unpleasant, or severe less serious 3 4 1 0 / 0
morose gloomy, withdrawn, and bad-tempered 10 11 1 0 / 0
mundane ordinary, routine, and lacking excitement or special interest 6 7 1 0 / 0
negate to cancel, deny, or make something ineffective 9 10 1 0 / 0
negligent failing to give proper care, attention, or responsibility 10 11 1 0 / 0
nonchalant calm and unconcerned in a way that may seem surprisingly casual 6 7 1 0 / 0
novice a person who is new to or inexperienced in an activity 3 4 1 0 / 0
nuanced showing subtle differences or careful distinctions 11 12 1 0 / 0
obscure not well known, clear, or easy to understand 3 4 1 0 / 0
obsolete no longer used because something newer has replaced it 4 5 1 0 / 0
obstinate stubbornly refusing to change an opinion or course of action 12 13 1 0 / 0
obtain to get or acquire something 1 4 2 0 / 0
ominous suggesting that something bad or threatening is likely to happen 10 11 1 0 / 0
onerous involving a heavy burden, great difficulty, or excessive responsibility 8 9 1 0 / 0
orthodox following established, traditional, or widely accepted beliefs or methods 5 6 1 0 / 0
ostentatious designed to attract attention or impress others by displaying wealth or importance 6 7 1 0 / 0
paradox a statement or situation that seems contradictory but may reveal a truth 4 5 1 0 / 0
parochial having a narrow outlook limited to local or familiar concerns 12 13 1 0 / 0
perceptive quick to notice and understand things accurately 12 13 1 0 / 0
perfunctory done quickly and with little care or interest 10 11 1 0 / 0
perspective a particular way of seeing or thinking about something 1 4 2 0 / 0
pervasive spreading throughout or present in every part of something 4 5 1 0 / 0
placid calm, peaceful, and not easily disturbed 10 11 1 0 / 0
plausible seeming reasonable or likely to be true 3 4 1 0 / 0
poignant causing a strong feeling of sadness, sympathy, or emotional reflection 5 6 1 0 / 0
pragmatic focused on practical results rather than theories or ideals 3 4 1 0 / 0
precarious unstable or dangerous because it could easily become worse 11 12 1 0 / 0
precedent an earlier example or decision used to guide similar cases later 7 8 1 0 / 0
precipitate to cause an event or situation, especially a sudden or unwanted one, to happen 9 10 1 0 / 0
precocious developing abilities or maturity earlier than is usual 6 7 1 0 / 0
predominant more common, powerful, or important than all others 7 8 1 0 / 0
pretentious trying to seem more important, intelligent, or impressive than one really is 6 7 1 0 / 0
prevalent common or widespread in a particular place or time 8 9 1 0 / 0
profound very deep, important, or strongly felt 8 9 1 0 / 0
proliferate to increase or spread rapidly 9 10 1 0 / 0
prolific producing many works, results, or offspring 6 7 1 0 / 0
proponent a person who supports or argues in favor of an idea or plan 7 8 1 0 / 0
prosaic ordinary, dull, or lacking imagination 10 11 1 0 / 0
provoke to cause a reaction, feeling, or response 12 13 1 0 / 0
prudent careful and sensible about future risks or consequences 4 5 1 0 / 0
qualify to limit or modify a statement so it is more precise or less absolute 9 10 1 0 / 0
quell to put an end to a disturbance, feeling, or opposition 12 13 1 0 / 0
rancor deep and lasting bitterness or resentment 12 13 1 0 / 0
rebut to respond to an argument by showing that it is wrong or weak 7 8 1 0 / 0
recalcitrant stubbornly resisting rules, authority, or control 10 11 1 0 / 0
reclusive avoiding other people and preferring to live or spend time alone 5 6 1 0 / 0
reconcile to restore agreement or make two conflicting ideas consistent 8 9 1 0 / 0
rectify to correct something that is wrong or unfair 9 10 1 0 / 0
redundant unnecessary because it repeats something or is no longer needed 12 13 1 0 / 0
refute to prove that a statement or argument is false 8 9 1 0 / 0
reinforce to strengthen an idea, structure, behavior, or feeling 3 4 1 0 / 0
reiterate to say or state something again for emphasis or clarity 9 10 1 0 / 0
relentless continuing with great determination and not becoming weaker or less intense 11 12 1 0 / 0
relevant directly connected to the topic or situation 1 4 2 0 / 0
relinquish to give up possession, control, or a claim voluntarily 7 8 1 0 / 0
reluctant unwilling or hesitant to do something 1 4 2 0 / 0
renounce to formally give up, reject, or refuse to continue supporting something 9 10 1 0 / 0
require to need something or to make something necessary 1 4 2 0 / 0
rescind to officially cancel a rule, decision, or agreement 12 13 1 0 / 0
resilient able to recover quickly from difficulty or change 3 4 1 0 / 0
resolute firmly determined and unwilling to give up 11 12 1 0 / 0
restrain to hold back, control, or prevent someone or something from acting freely 12 13 1 0 / 0
reticent unwilling to speak freely about one's thoughts or feelings 6 7 1 0 / 0
reverent showing deep respect or admiration 6 7 1 0 / 0
rigorous extremely thorough, careful, or strict 7 8 1 0 / 0
sagacious showing wise judgment and good understanding 6 7 1 0 / 0
salient most noticeable, important, or relevant 9 10 1 0 / 0
scrupulous extremely careful to do what is right, accurate, or honest 10 11 1 0 / 0
scrutinize to examine something very carefully and closely 4 5 1 0 / 0
significant important or large enough to matter 1 4 2 0 / 0
skeptical not easily convinced; having doubts about a claim 3 4 1 0 / 0
solemn serious, formal, and not cheerful 10 11 1 0 / 0
sporadic happening occasionally or irregularly rather than continuously 5 6 1 0 / 0
steadfast firm, loyal, and unwilling to change despite difficulty 11 12 1 0 / 0
stipulate to state clearly that something is required as part of an agreement 9 10 1 0 / 0
stoic enduring pain or difficulty without showing much emotion or complaint 10 11 1 0 / 0
stringent very strict, demanding, or severe 5 6 1 0 / 0
subsequent coming after something else 1 4 2 0 / 0
substantiate to support a claim with evidence or proof 7 8 1 0 / 0
subtle not obvious; difficult to notice or understand immediately 4 5 1 0 / 0
subversive intended to weaken or undermine an established system or authority 12 13 1 0 / 0
succinct expressed clearly and briefly without unnecessary words 6 7 1 0 / 0
sufficient enough for a particular purpose 1 4 2 0 / 0
superficial concerned only with the surface and lacking depth or thoroughness 5 6 1 0 / 0
superfluous more than is needed; unnecessary 10 11 1 0 / 0
suppress to prevent, restrain, or stop something from being expressed or developing 8 9 1 0 / 0
synthesize to combine different ideas or information into a new, unified whole 7 8 1 0 / 0
taciturn habitually quiet and unwilling to talk very much 5 6 1 0 / 0
tangible real, definite, or able to be clearly recognized or measured 8 9 1 0 / 0
tenable able to be defended with evidence or maintained as a reasonable position 9 10 1 0 / 0
tenacious determined and unwilling to give up 4 5 1 0 / 0
tentative not certain or final; subject to change 3 4 1 0 / 0
tenuous weak, slight, or not strongly supported by evidence 12 13 1 0 / 0
thwart to prevent someone from succeeding or a plan from being completed 9 10 1 0 / 0
tractable easy to control, influence, or deal with 12 13 1 0 / 0
transcend to go beyond the usual limits of something 7 8 1 0 / 0
transient lasting only a short time; temporary 4 5 1 0 / 0
turbulent marked by disorder, conflict, rapid change, or violent movement 6 7 1 0 / 0
undermine to weaken something gradually or indirectly 3 4 1 0 / 0
unequivocal completely clear and leaving no room for doubt or more than one interpretation 9 10 1 0 / 0
unprecedented never known, done, or experienced before 7 8 1 0 / 0
vacillate to repeatedly change between different opinions or choices 8 9 1 0 / 0
valid reasonable, acceptable, or supported well enough to be trusted 1 4 2 0 / 0
venerate to regard someone or something with deep respect 11 12 1 0 / 0
versatile able to adapt to many different tasks, uses, or situations 4 5 1 0 / 0
viable capable of working successfully or continuing to exist 7 8 1 0 / 0
vigilant carefully watchful for possible danger or problems 5 6 1 0 / 0
vindicate to clear someone from blame or show that a claim or action was justified 9 10 1 0 / 0
vindictive having a strong desire to punish someone for a real or imagined wrong 6 7 1 0 / 0
volatile likely to change suddenly and unpredictably, especially in an unstable way 7 8 1 0 / 0
vulnerable open to harm, attack, damage, or criticism 8 9 1 0 / 0
warrant to justify an action or make it necessary or appropriate 7 8 1 0 / 0
wary careful and watchful because something may be dangerous or unreliable 11 12 1 0 / 0
whimsical playfully unusual or based on sudden imaginative ideas 5 6 1 0 / 0
withstand to resist or endure a difficult force, condition, or attack 7 8 1 0 / 0
zealous showing intense enthusiasm and devotion to a cause or goal 5 6 1 0 / 0

Recently introduced words

WordDefinitionIntroduced inNext reviewStatus
tractable easy to control, influence, or deal with Lesson 12 13 learning
tenuous weak, slight, or not strongly supported by evidence Lesson 12 13 learning
subversive intended to weaken or undermine an established system or authority Lesson 12 13 learning
restrain to hold back, control, or prevent someone or something from acting freely Lesson 12 13 learning
rescind to officially cancel a rule, decision, or agreement Lesson 12 13 learning
redundant unnecessary because it repeats something or is no longer needed Lesson 12 13 learning
rancor deep and lasting bitterness or resentment Lesson 12 13 learning
quell to put an end to a disturbance, feeling, or opposition Lesson 12 13 learning
provoke to cause a reaction, feeling, or response Lesson 12 13 learning
perceptive quick to notice and understand things accurately Lesson 12 13 learning