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undermine - 20 thesaurus results
| Main Entry: | undermine |
| Part of Speech: | verb |
| Definition: | weaken |
| Synonyms: | attenuate, blunt, clip one's wings, corrode, cripple, debilitate, dig, dig out*, disable, eat away, enfeeble, erode, excavate, foil, frustrate, hollow out, hurt, impair, knock the bottom out of, mine, poke full of holes, ruin, sabotage, sandbag, sap, soften, subvert, threaten, thwart, torpedo*, tunnel, undercut, wear, whittle away, wreck |
| Antonyms: | strengthen |
* = informal/non-formal usage
| Main Entry: | attenuate |
| Part of Speech: | verb |
| Definition: | weaken |
| Synonyms: | abate, constrict, contract, cripple, debilitate, deflate, disable, dissipate, enfeeble, extenuate, lessen, mitigate, sap, shrink, thin, undermine, vitiate |
| Antonyms: | expand, increase, intensify, strengthen |
| Main Entry: | blunt |
| Part of Speech: | verb |
| Definition: | make dull |
| Synonyms: | attenuate, benumb, cripple, dampen, deaden, debilitate, desensitize, disable, enfeeble, numb, sap, soften, undermine, water down, weaken, hebetate, obtund, take the edge off |
| Antonyms: | needle, point, sharpen |
| Main Entry: | bring down |
| Part of Speech: | verb |
| Definition: | reduce or hurt |
| Synonyms: | abase, cut down, damage, drop, fell, floor, injure, level, lower, murder*, overthrow, overturn, prostrate, pull down, slay*, tumble, undermine, upset, wound, KO, knock down, lay low, mow down, shoot down, throw down |
| Antonyms: | aid, encourage, help, raise |
* = informal/non-formal usage
| Main Entry: | burrow |
| Part of Speech: | verb |
| Definition: | dig a hole |
| Synonyms: | delve, excavate, tunnel, undermine, hollow out, scoop out |
| Antonyms: | cover, fill |
| Main Entry: | corrupt |
| Part of Speech: | verb |
| Definition: | pervert; pollute |
| Synonyms: | abase, abuse, adulterate, bastardize, blemish, blight, bribe, contaminate, damage, debase, debauch, decay, decompose, deface, defile, deform, degrade, demean, demoralize, deprave, depreciate, despoil, disfigure, disgrace, dishonor, fix, harm, hurt, impair, infect, injure, lower, lure, maltreat, mar, mistreat, misuse, outrage, pull down, putrefy, ravage, reduce, rot, ruin, spoil, square, stain, suborn, subvert, taint, undermine, violate, vitiate, warp, waste, animalize, grease palm, ill-treat |
| Antonyms: | better, chasten, cleanse, dignify, improve, purify |
| Main Entry: | damage |
| Part of Speech: | verb |
| Definition: | cause injury, loss |
| Synonyms: | abuse, batter, bleach, blight, break, burn, contaminate, corrode, corrupt, crack, cripple, deface, defile, dirty, discolor, disfigure, disintegrate, dismantle, fade, gnaw, harm, hurt, impair, incapacitate, infect, injure, lacerate, maim, maltreat, mangle, mar, mutilate, pollute, ravage, rot, ruin, rust, scorch, scratch, smash, split, spoil, stab, stain, tarnish, tear, undermine, vitiate, weaken, wound, wreck, wrong, bang up, scathe, tamper with, wear away, wreak havoc on |
| Antonyms: | benefit, bless, enhance, favor, fix, improve, mend, perfect, repair |
| Main Entry: | debilitate |
| Part of Speech: | verb |
| Definition: | incapacitate |
| Synonyms: | attenuate, blunt, cripple, devitalize, disable, enervate, enfeeble, eviscerate, exhaust, extenuate, harm, hurt, injure, mar, prostrate, relax, sap, spoil, undermine, weaken, wear out, unbrace, unstrengthen |
| Antonyms: | aid, assist, cure, energize, help, invigorate, mend, strengthen |
| Main Entry: | deplete |
| Part of Speech: | verb |
| Definition: | consume, exhaust supply |
| Synonyms: | bankrupt, bleed*, decrease, diminish, drain, draw, empty, evacuate, expend, finish, impoverish, lessen, milk*, reduce, sap, spend, squander, undermine, waste, weaken, dig into, dry up, suck dry, use up, wash up |
| Antonyms: | add, augment, expand, fill, give, increase |
* = informal/non-formal usage
| Main Entry: | deteriorate |
| Part of Speech: | verb |
| Definition: | decay, degenerate |
| Synonyms: | adulterate, alloy, break, corrode, corrupt, crumble, debase, debilitate, decline, decompose, degrade, deprave, depreciate, descend, disintegrate, ebb, fade, fail, fall apart, flag, go to pieces*, impair, injure, languish, lapse, lessen, lower, mar, pervert, regress, retrograde, retrogress, rot, sink, skid, slide, spoil, undermine, vitiate, weaken, worsen, be worse for wear, become worse, disimprove, go downhill, go to pot, go to the dogs, hit the skids, lose it, lose quality, wear away |
| Notes: | to degenerate means 'to decline in value, move lower on a scale' but to deteriorate means 'to worsen, to become lowered, or be reduced in value'; degenerate pertains more to character and virtue while deteriorate is more about loss of strength or vitality |
| Antonyms: | build, construct, develop, improve, get better |
* = informal/non-formal usage
| Main Entry: | disable |
| Part of Speech: | verb |
| Definition: | render inoperative; cripple |
| Synonyms: | attenuate, batter, blunt, damage, debilitate, disarm, disqualify, enervate, enfeeble, exhaust, hamstring*, handicap, harm, hock*, hurt, impair, incapacitate, invalidate, kibosh*, knock out*, maim, mangle, mar, mutilate, muzzle, paralyze, prostrate, ruin, sabotage, sap, shatter, spoil, total*, undermine, unfit, weaken, wreck, disenable, hogtie*, immobilize, pinion, put out of action, render incapable, shoot down*, take out*, throw monkey wrench in, unbrace, unstrengthen |
| Antonyms: | aid, assist, enable, help, improve |
* = informal/non-formal usage
| Main Entry: | enfeeble |
| Part of Speech: | verb |
| Definition: | make very weak |
| Synonyms: | attenuate, blunt, cripple, debilitate, deplete, devitalize, diminish, disable, exhaust, fatigue, incapacitate, sap, undermine, unhinge, unnerve, weaken, wear out |
| Antonyms: | strengthen |
| Main Entry: | harm |
| Part of Speech: | verb |
| Definition: | injure; cause evil |
| Synonyms: | abuse, blemish, bruise, cripple, crush, damage, discommode, get, hurt, impair, inconvenience, maim, maltreat, mangle, mar, mess up*, misuse, molest, mutilate, nick, outrage, prejudice, put down, ruin, sabotage, sap*, shatter, shock, spoil, stab, tarnish, total, trample, tweak*, undermine, vandalize, vitiate, wing*, wound, wreck, wrench, wrong, zing*, dilapidate, disserve, do violence to, dump on, ill-treat, incommode, louse up, muck up*, scathe, traumatize |
| Antonyms: | aid, assist, benefit, care, fix, help, improve, mend |
* = informal/non-formal usage
| Main Entry: | impair |
| Part of Speech: | verb |
| Definition: | harm, hinder |
| Synonyms: | blemish, blunt, cheapen, damage, debase, debilitate, decrease, destroy, deteriorate, devalue, diminish, ding*, disqualify, enervate, enfeeble, hurt, injure, invalidate, lessen, mar, prejudice, queer, reduce, rough up*, spoil, tarnish, total, tweak, undermine, unfit, vitiate, weaken, worsen, devaluate, lose strength, make useless |
| Antonyms: | aid, assist, help |
* = informal/non-formal usage
| Main Entry: | incapacitate |
| Part of Speech: | verb |
| Definition: | put out of action |
| Synonyms: | cripple, damage, disable, disarm, disqualify, hamstring*, hinder, hurt, lame, lay up*, maim, paralyze, prostrate, undermine, weaken, clip wings, disenable, hog-tie, immobilize, put out of commission, take out |
| Antonyms: | allow, facilitate, mobilize, permit |
* = informal/non-formal usage
| Main Entry: | injure |
| Part of Speech: | verb |
| Definition: | hurt, harm |
| Synonyms: | abuse, aggrieve, batter, blemish, blight, break, contort, cripple, cut up, damage, deface, deform, disable, disfigure, distort, distress, do in*, foul, foul up, grieve, impair, maim, maltreat, mangle, mar, mutilate, pain, pique, prejudice, ruin, shake up, spoil, sting, tarnish, torment, torture, total, undermine, vitiate, wax, weaken, wound, wrong, draw blood, hack up |
| Antonyms: | aid, assist, cure, fix, heal, help, mend |
* = informal/non-formal usage
| Main Entry: | invalidate |
| Part of Speech: | verb |
| Definition: | render null and void |
| Synonyms: | abate, abolish, abrogate, annihilate, annul, cancel, counteract, counterbalance, discredit, disqualify, impair, negate, negative, neutralize, nix, nullify, offset, overrule, overthrow, quash, refute, revoke, undermine, undo, unfit, weaken, X-out, blow sky-high, circumduct, disannul, shoot full of holes |
| Antonyms: | approve, permit, validate |
| Main Entry: | poison |
| Part of Speech: | verb |
| Definition: | contaminate, pollute |
| Synonyms: | adulterate, corrupt, debase, defile, deprave, destroy, fester, harm, infect, injure, kill, murder, pervert, stain, subvert, taint, undermine, vitiate, warp, envenom, make ill |
| Antonyms: | purify, sterilize |
| Main Entry: | prejudice |
| Part of Speech: | verb |
| Definition: | influence another's beliefs without basis, information |
| Synonyms: | angle*, bend*, bias, blemish*, color*, damage, dispose, distort, harm, hinder, hurt, impair, incline, indoctrinate, injure, mar, poison*, predispose, prejudge, skew*, slant*, spoil, sway*, twist*, undermine, vitiate, warp*, jaundice, prepossess |
| Antonyms: | approve, regard, respect, tolerate, be fair, be just |
* = informal/non-formal usage
| Main Entry: | sabotage |
| Part of Speech: | verb |
| Definition: | incapacitate, damage |
| Synonyms: | attack, block, break up, cripple, deep six, destroy, disable, disrupt, do*, do in*, foul up*, frustrate, hamper, hinder, mess up*, obstruct, screw up*, subvert, undermine, vandalize, wreck, bollix, louse up, put out of action, put out of commission, take out*, throw a monkey wrench into, torpedo* |
| Antonyms: | abet, aid, fix, help |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
