| Main Entry: | undo |
| Part of Speech: | verb |
| Definition: | open |
Synonyms: |
disengage, disentangle, free, loose, loosen, release, unbind, unblock, unbutton, unclose, unfasten, unfix, unlock, unloose, unloosen, unravel, unshut, unstop, untie, unwrap |
| Notes: | undo means to reverse an action or thing; undue means 'inappropriate' or 'excessive' |
Antonyms: |
close, do, fasten |
| Main Entry: | undo |
| Part of Speech: | verb |
| Definition: | nullify, invalidate |
Synonyms: |
abate, abolish, abrogate, annihilate, annul, break, bring down, bring to naught, cancel, cramp, craze, crimp, decimate, defeat, demolish, destroy, have*, impoverish, injure, make waves, mar, negate, neutralize, offset, outfox, outmaneuver, outsmart, overreach, overthrow, overturn, quash, queer*, raze, reverse, ruin, screw up, shatter, skin*, smash, spoil, stymie*, subvert, unbuild, undermine, unsettle, upset, vitiate, wipe out, wrack, wreck |
Antonyms: |
approve, permit, validate |
| Main Entry: | abolish |
| Part of Speech: | verb |
| Definition: | do away with or put an end to |
Synonyms: |
abate, abrogate, annihilate, annul, call off, cancel, destroy, disestablish, dissolve, end, eradicate, erase, expunge, extinguish, extirpate, finish, inhibit, invalidate, kill, negate, nix, nullify, obliterate, overthrow, overturn, prohibit, put an end to, put kibosh on, put the kibosh on, quash, repeal, repudiate, rescind, revoke, scrub, set aside, squelch, stamp out, subvert, supersede, suppress, terminate, undo, vacate, vitiate, void, wipe out, zap |
Antonyms: |
confirm, continue, enact, establish, institute, legalize, promote, ratify, support, uphold |
| 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 |
| 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: | call off; erase |
Synonyms: |
X-out, abolish, abort, abrogate, annul, ax, black out, blot out, break, break off, countermand, cross out, cut, deface, delete, destroy, do away with, do in, efface, eliminate, eradicate, expunge, finish off, go back on one's word, kill, obliterate, off*, omit, quash, remove, render invalid, repeal, repudiate, rescind, revoke, rub out, scratch out, scrub, sink*, smash, squash, stamp across, strike out, torpedo, total*, trash*, trim*, undo, wash out, wipe out, wipe slate clean, zap |
Antonyms: |
allow, approve, arrange, establish, permit, uphold |
| 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 |
| Main Entry: | demolish |
| Part of Speech: | verb |
| Definition: | destroy; consume |
Synonyms: |
annihilate, break, bulldoze, burst, crack, crush, decimate, defeat, devastate, devour, dilapidate, dismantle, eat, flatten, gobble up, knock down, level, obliterate, overthrow, overturn, pulverize, put away, put in toilet, raze, ruin, sink, smash, take apart, take out, tear down, torpedo, total*, trash*, undo, wax, wipe off map, wrack, wreck |
Antonyms: |
build, construct, fix, produce, rebuild, repair, restore |
| Main Entry: | disconcert |
| Part of Speech: | verb |
| Definition: | shake up; confuse |
Synonyms: |
abash, agitate, baffle, balk, bewilder, bug, confound, demoralize, disarrange, discombobulate, discomfit, discompose, discountenance, disturb, embarrass, faze, fluster, foul up, frustrate, get to, hinder, nonplus, perplex, perturb, psych out, put off, puzzle, rattle, ruffle, take aback, throw off balance, trouble, unbalance, undo, unsettle, upset, upset apple cart, worry |
Antonyms: |
calm, comfort, soothe |