DEFINITION: becoming popular, active, or successful again after a period of being less so; returning to prominence
SENTENCE: I am always glad at resurgent fashion trends, because I can either wear things that are still in my closet but haven't been worn in a while, or I can get trendy clothes at a thrift store.
SYNONYMS: renascent, reviving, returning
ANTONYMS: regression, weakened, remission
DEFINITION: harmful, often in a subtle or unexpected way; injurious to health
SENTENCE: Excess weight can have a number of deleterious effects, including increasing chances of heart disease, asthma, and diabetes.
SYNONYMS: harmful, destructive, hurtful
ANTONYMS: aiding, assisting, helpful
DEFINITION: to publicly criticize something as being undesirable or harmful; to condemn or express strong disapproval
SENTENCE: Upton Sinclair decried the rampant materialism and conformity that he perceived in the world around him, thinking them harmful to society.
SYNONYMS: criticize, blame, condemn
ANTONYMS: applaud, compliment, praise
DEFINITION: feeling unhappy or discouraged because life seems in a situation unlikely to improve; very sad and without hope
SENTENCE: Giselle was despondent after a man stole her sequined tiara on her birthday and left her crying alone in the pouring rain.
SYNONYMS: desperate, depressed, glum
ANTONYMS: cheerful, happy, hopeful
DEFINITION: to criticize someone harshly and publicly; to make a formal accusation against, as to the police, for illegal or immoral acts
SENTENCE: Marshall was quick to denounce the illegal acts of his former business partner, for fear that they might make him look bad.
SYNONYMS: condemn, scold, censure
ANTONYMS: approve, commend, praise
DEFINITION: the end of operation or existence; death or decease
SENTENCE: Scientists generally think that dinosaurs met with a sudden an unexpected demise, though the cause of the mass-extinction is still unknown, or not agreed upon.
SYNONYMS: death, failure, downfall
ANTONYMS: birth, beginning, start
DEFINITION: to show that something is not true; to reveal as being pretentious, false or exaggerated
SENTENCE: Many people have attempted to debunk the theory of global warming, but however often they can say that the earth naturally changes temperature, the fact remains that the average global temperature is rising.
SYNONYMS: disprove, ridicule, disparage
ANTONYMS: prove, uphold, support
DEFINITION: to talk or write about in a very critical and insulting way; to say that (someone or something) is ridiculous or has no value
SENTENCE: Our teacher derided Max's paper as unoriginal and not saying anything, but I think he was unfair because he just didn't agree with Max's conclusions.
SYNONYMS: scorn, scoff, jeer
ANTONYMS: commend, flatter, praise
DEFINITION: completely lacking in, as a particular substance or quality; being without a usual, typical, or expected attribute or accompaniment
SENTENCE: I wrote a long, rambling poem that was devoid of any meaning or importance, but the punch line at the end was funny and so I kept it.
SYNONYMS: lack, barren, deficient
ANTONYMS: full, filled, complete
DEFINITION: free from fault or error; not capable of sinning or liable to sin; flawless and irreproachable
SENTENCE: Mr. Radnor's suit is always impeccable, without a hair or a stitch out of place, which he thinks is necessary for the owner of a bank.
SYNONYMS: infallible, flawless, perfect
ANTONYMS: flawed, imperfect, defective
DEFINITION: not capable of being placated or appeased; opposed to someone or something in a way that is unable to be changed, satisfied, or stopped
SENTENCE: The prosecution lawyer was implacable in his demands for life imprisonment, as justice for the young man that the defendant had killed in a drunk driving accident.
SYNONYMS: inconsolable, disconsolate, forlorn
ANTONYMS: consolable, understanding, appeased
DEFINITION: not capable of being stopped; not to be persuaded, moved, or affected by prayers or entreaties; relentless, unyielding, or inevitable
SENTENCE: Time is inexorable and we cannot slow it down or wind it back, so all we humans can do is make the most of the time that we have.
SYNONYMS: dogged, unyielding relentless
ANTONYMS: lenient, yielding, flexible
DEFINITION: not expressed in a way that can be understood; or not able to express something clearly; without logical or meaningful connection or organization; rambling
SENTENCE: Kylie was laughing so hard from the joke that Andy had told her that she was completely incoherent when trying to retell the joke to Sam.
SYNONYMS: disjointed, jumbled, indistinct
ANTONYMS: understandable, intelligible, coherent
DEFINITION: impossible to solve or get a hold of, as a problem or difficulty; so great that it cannot be dealt with successfully; incapable of being surmounted
SENTENCE: The task of building a transcontinental railroad once seemed insurmountable because of its size and scope, but the project was nevertheless completed in 1869.
SYNONYMS: indomitable, overwhelming, unbeatable
ANTONYMS: attainable, defeat-able, surmountable
DEFINITION: lacking proper respect or seriousness for official, important, or holy things
SENTENCE: Many comedy writers, most notably the creators of South Park, are known for their irreverent jokes that cause some people to take offense.
SYNONYMS: rude, impudent, insolent
ANTONYMS: reverent, respectful, proper
DEFINITION: careful to avoid risks; watchful, cautious, or discreet
SENTENCE: Lauren is circumspect in terms of her behavior, working hard and not going out late, because she wants to make preparing for college her priority.
SYNONYMS: attentive, meticulous, judicious
ANTONYMS: careless, rash, negligent
DEFINITION: circular and therefore indirect in language, behavior, or action; having a circular or winding course
SENTENCE: Dave told Skylar a story as they walked along the path, but he tried to follow so many different storylines that his tale was as circuitous as their winding walking route.
SYNONYMS: indirect, meandering, circular
ANTONYMS: straightforward, linear, direct
DEFINITION: to avoid something by going around it; to avoid by artful maneuvering, as in language or movement
SENTENCE: Illegal businesses continue to circumvent laws established by many countries in order to make a profit.
SYNONYMS: mislead, deceive, trick
ANTONYMS: be honest
DEFINITION: to draw a line around and therefore to narrowly limit or restrict something; to confine or enclose within bounds
SENTENCE: For most formal occasions like weddings, we circumscribe the sequence of events and the way everyone must behave in order to make the day as perfect as possible.
SYNONYMS: restrain, confine, limit
ANTONYMS: free, loosen, open
DEFINITION: having or showing a kind, generous, forgiving nature, esp. toward an enemy; free from petty vindictiveness or resentfulness
SENTENCE: After Lee's surrender at Appomattox, Grant magnanimously allowed the Confederate officers to keep their sidearms and permitted soldiers to keep personal horses.
SYNONYMS: generous, altruistic, considerate
ANTONYMS: selfish, petty, stingy
DEFINITION: based on false information and therefore wrong; containing or characterized by error
SENTENCE: Portuguese sailors erroneously believed that boiling seas filled with monsters awaited ships venturing south of Portugal.
SYNONYMS: inaccurate, false, flawed
ANTONYMS: correct, true, valid
DEFINITION: great or far-reaching in importance or consequence; important esp. because of effects on future events
SENTENCE: Conrad's momentous decision to move to Thailand and pursue a career as a writer, adventurer, and translator made his family proud, though they knew they would miss him.
SYNONYMS: consequential, crucial, meaningful
ANTONYMS: insignificant, trifling, trivial
DEFINITION: filled with anger and bitterness, esp. including strong accusation; biting and sharp in language or tone
SENTENCE: Celebrity magazines are happy to chronicle all the acrimonious statements made by stars and the people around them.
SYNONYMS: acerbic, bitter, caustic
ANTONYMS: kind, soothing, sweet
DEFINITION: portending evil or harm; suggesting that something bad is going to happen
SENTENCE: Rising sea levels and rising temperatures are both ominous signs that global warming is getting worse.
SYNONYMS: threatening, lurking, dangerous
ANTONYMS: happy, auspicious, promising
DEFINITION: pleasant or flowing in sound; having a smooth, rich flow
SENTENCE: Smokey Robinson and Marvin Gaye are both known for their mellifluous voices.