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| Main Entry: | |
| Part of Speech: | verb |
| Definition: | render null and void |
| Synonyms: | X-out, abate, abolish, abrogate, annihilate, annul, blow sky-high, cancel, circumduct, counteract, counterbalance, disannul, discredit, disqualify, impair, negate, negative, neutralize, nix, nullify, offset, overrule, overthrow, quash, refute, revoke, shoot full of holes, undermine, undo, unfit, weaken |
| Antonyms: | approve, permit, validate |
| Main Entry: | abrogate |
| Part of Speech: | verb |
| Definition: | formally put an end to |
| Synonyms: | abate, abolish, annul, cancel, dissolve, do in, end, finish off, invalidate, knock out, negate, nix, nullify, quash, reject, renege, repeal, retract, revoke, scrub, torpedo, undo, vacate, vitiate, void |
| Antonyms: | approve, establish, fix, institute, legalize, ratify, sanction, support |
| Main Entry: | annihilate |
| Part of Speech: | verb |
| Definition: | destroy completely |
| Synonyms: | abate, abolish, abrogate, annul, blot out, crush*, decimate, demolish, do in, eradicate, erase, expunge, exterminate, extinguish, extirpate, finish off, invalidate, liquidate, massacre, murder, negate, nullify, obliterate, quash, quell, raze, root out, rub out, ruin, slaughter, take out*, undo, vitiate, wipe out, wrack, wreck |
| Antonyms: | help, preserve, revive, save |
* = informal/non-formal usage
| Main Entry: | annul |
| Part of Speech: | verb |
| Definition: | void an agreement |
| Synonyms: | abate, abolish, abrogate, annihilate, blot out, call off, cancel, countermand, declare, delete, discharge, dissolve, efface, erase, expunge, get off the hook, invalidate, kill, negate, neutralize, nix, nullify, obliterate, quash, recall, render null and void, repeal, rescind, retract, reverse, revoke, scrub, undo, vacate, vitiate, wipe out |
| Antonyms: | keep, restore, retain, revalidate, validate |
| Main Entry: | cancel |
| Part of Speech: | verb |
| Definition: | equal out |
| Synonyms: | abort, abrogate, annul, balance out, call off, compensate for, counteract, counterbalance, countercheck, countermand, counterpoise, declare invalid, discard, discharge, frustrate, ignore, invalidate, make up for, negate, neutralize, nullify, offset, overthrow, put an end to, recall, recant, redeem, redress, refute, render inert, render null and void, repeal, repudiate, rescind, retract, revoke, rule out, set aside, suppress, vacate, void |
| Antonyms: | imbalance, tip |
| Main Entry: | compensate |
| Part of Speech: | verb |
| Definition: | offset, make up for |
| Synonyms: | abrogate, annul, atone for, balance, better, cancel out, counteract, counterbalance, counterpoise, countervail, fix, improve, invalidate, make amends, negate, negative, neutralize, nullify, outweigh, redress, repair, set off |
| Antonyms: | damage, deprive, penalize |
| Main Entry: | confute |
| Part of Speech: | verb |
| Definition: | disprove, refute |
| Synonyms: | blow sky high, break, bring to naught, confound, contradict, controvert, defeat, demolish, dismay, disprove, expose, invalidate, knocks props out from under, negate, oppugn, overcome, overthrow, overturn, overwhelm, parry, prove false, prove wrong, put down, rebut, set aside, shut up, silence, subvert, tap, upset, vanquish |
| Notes: | refute means 'to show conclusively to be false or illogical' and applies primarily to assertions or arguments; confute means 'to prove wrong' and applies primarily to the person or agency making the assertion or argument |
| Antonyms: | affirm, attest, confirm, endorse, prove, verify |
| Main Entry: | counteract |
| Part of Speech: | verb |
| Definition: | do opposing action |
| Synonyms: | annul, buck, cancel, cancel out, check, contravene, correct, counterbalance, countercheck, countervail, counterwork, cross, defeat, fix, foil, frustrate, go against, halt, hinder, invalidate, negate, negative, neutralize, offset, oppose, prevent, rectify, redress, resist, right, thwart |
| Antonyms: | aid, approve, assist, help, support |
| Main Entry: | defeat |
| Part of Speech: | verb |
| Definition: | frustrate |
| Synonyms: | baffle, balk, beat down, beat the system, blank, block, bury, cast down, cause setback, checkmate, circumvent, confound, contravene, cook*, counterplot, cross, disappoint, discomfit, disconcert, disprove, edge out, foil, invalidate, neutralize, nonplus, nose out, nullify, outwit, overturn, put end to, puzzle, quell, reduce, refute, ruin, scuttle, shave, shellac, skunk, spoil, squash, stump, subdue, subjugate, surmount, take wind out of sails, throw for loop, thwart, undo, victimize |
| Notes: | decimate means to kill or destroy in large numbers; defeat means to win a victory over or to beat |
| Antonyms: | abet, aid, encourage, help, inspirit |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
