| 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: | frustrate |
| Part of Speech: | verb |
| Definition: | thwart, disappoint |
Synonyms: |
annul, arrest, baffle, balk, bar, beat, block, cancel, check, circumvent, confront, conquer, counter, counteract, cramp, cramp one's style, crimp, dash, dash one's hope, defeat, depress, discourage, dishearten, foil, forbid, forestall, foul up, give the run around, halt, hang up, hinder, hold up, impede, inhibit, lick, negate, neutralize, nullify, obstruct, obviate, outwit, overcome, preclude, prevent, prohibit, render null and void, ruin, stump, stymie*, upset the applecart |
Antonyms: |
aid, assist, cooperate, encourage, facilitate, help, support |
| Main Entry: | nullify |
| Part of Speech: | verb |
| Definition: | cancel, revoke |
Synonyms: |
abate, abolish, abrogate, annihilate, annul, ax, blue pencil, bring to naught, call all bets off, compensate, confine, counteract, counterbalance, countervail, disannul, forget it, invalidate, kill*, limit, negate, neutralize, nig, offset, quash, render null and void, renege, renig, repeal, rescind, restrict, scratch*, scrub, squash, stamp out, take out*, torpedo, trash*, undo, veto, vitiate, void, wash out, wipe out, zap |
Antonyms: |
affirm, pass, sanctify, validate |