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weak - 20 thesaurus results
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | not strong |
| Synonyms: | anemic, debilitated, decrepit, delicate, effete, enervated, exhausted, faint, feeble, flaccid, flimsy, fragile, frail, hesitant, infirm, insubstantial, irresolute, lackadaisical*, languid, limp, makeshift, powerless, prostrate, puny, rickety, rocky*, rotten, senile, shaky, sickly, sluggish, spent, spindly, supine, tender, torpid, uncertain, undependable, unsound, unsteady, unsubstantial, wasted, wavering, weakened, wobbly, forceless, impuissant, languorous, out of gas, weakly |
| Antonyms: | firm, potent, strong |
* = informal/non-formal usage
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | cowardly |
| Synonyms: | frightened, hesitant, impotent, indecisive, ineffectual, infirm, insecure, irresolute, laid-back*, nerveless, nervous, palsied, powerless, shaky, soft, spineless, tender, timorous, uncertain, undependable, unreliable, unstable, unsure, vacillating, wavering, wishy-washy*, wobbly, zero*, faint-hearted, fluctuant, weak-kneed, wimpy |
| Antonyms: | bold, brave, confident |
* = informal/non-formal usage
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | faint, soft |
| Synonyms: | dim, distant, dull, feeble, gentle, imperceptible, inaudible, indistinct, low, muffled, pale, poor, quiet, slight, small, thin, whispered, bated, reedy, stifled, unaccented, unstressed |
| Antonyms: | loud, noisy, potent, strong |
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | deficient, feeble |
| Synonyms: | faulty, flabby, flimsy, green*, handicapped, hollow, immature, implausible, impotent, improbable, inadequate, incompetent, incomplete, inconceivable, inconclusive, incredible, ineffective, ineffectual, inept, invalid, lacking, lame, limited, pathetic, poor, raw, shaky, shallow, slight, slim, small, spineless, substandard, thick, thin, unbelievable, unconvincing, unprepared, unqualified, unsatisfactory, unsubstantial, unsure, untrained, wanting, forceless |
| Antonyms: | able, capable, fit, sufficient |
* = informal/non-formal usage
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | exposed, vulnerable |
| Synonyms: | accessible, assailable, defenseless, helpless, indefensible, unguarded, unprotected, unsafe, untenable, wide-open*, woundable |
| Antonyms: | guarded, protected, safe, secure |
* = informal/non-formal usage
| Main Entry: | weak |
| Part of Speech: | adjective |
| Definition: | watered-down |
| Synonyms: | dilute, diluted, insipid, tasteless, thin, watery, wishy-washy*, milk-and-water, runny, washy, waterish |
| Antonyms: | concentrated, strong, thick |
* = informal/non-formal usage
| Main Entry: | ailing |
| Part of Speech: | adjective |
| Definition: | not feeling well |
| Synonyms: | below par, debilitated, diseased, down, feeble, ill, indisposed, rocky*, run down*, sick, sickly, under the weather*, unwell, weak, down with, enfeebled, feeling awful, sick as a dog, wasting |
| Antonyms: | healthy |
* = informal/non-formal usage
| Main Entry: | apprehensive |
| Part of Speech: | adjective |
| Definition: | anxious, fearful |
| Synonyms: | afraid, alarmed, concerned, doubtful, foreboding, frozen*, hung up*, jittery, jumpy, lily-livered*, shaky*, stiff, suspicious, troubled, uncertain, uneasy, uptight, weak, worried, biting nails, butterflies, disquieted, feel in bones, get vibes, have a hunch, have cold feet, have funny feeling, have stage fright, in a cold sweat, in a dither, in a sweat, jellyfish, mistrustful, running scared, scaredy-cat, worried sick |
| Antonyms: | calm, quiet, unafraid, at ease, undoubting, unfearful, unsuspicious, unworried |
* = informal/non-formal usage
| Main Entry: | breakable |
| Part of Speech: | adjective |
| Definition: | easily hurt or destroyed |
| Synonyms: | brittle, crisp, crumbly, delicate, flimsy, fragile, frail, friable, vitreous, weak, crispy, fracturable, frangible, shatterable, shattery, splintery |
| Antonyms: | durable, sturdy, unbreakable |
| Main Entry: | cowardly |
| Part of Speech: | adjective |
| Definition: | fearful |
| Synonyms: | afraid, anxious, apprehensive, backward, base, caitiff, craven, dastardly, diffident, fainthearted, frightened, gutless, jittery, lily-livered*, nervous, paper tiger*, pusillanimous, recreant, retiring, scared, shrinking, shy, soft*, spineless*, timid, timorous, weak, worthless, yellow*, chicken-hearted, cowering, cowhearted, dismayed, having the willies, lacking courage, no guts, panicky, pigeonhearted, running scared, weak-kneed, yellow-bellied |
| Antonyms: | bold, brave, courageous, daring, dauntless, unafraid, undaunted, unfearful |
* = informal/non-formal usage
| Main Entry: | decrepit |
| Part of Speech: | adjective |
| Definition: | deteriorated, debilitated, especially as a result of age |
| Synonyms: | aged, antiquated, bedraggled, broken-down, crippled, dilapidated, doddering, effete, feeble, flimsy, fragile, frail, haggard, incapacitated, infirm, insubstantial, old, ramshackle, rickety, run-down, seedy, senile, shabby, shaking, superannuated, tacky, threadbare, tired, unsound, used, wasted, weak, weather-beaten, worn, worn-out, anile, battered, creaky, quavering, tottering, tumble-down, weakly |
| Antonyms: | fit, healthy, young |
| Main Entry: | defenseless |
| Part of Speech: | adjective |
| Definition: | powerless, vulnerable |
| Synonyms: | caught, endangered, exposed, helpless, indefensible, naked*, open, poor, unarmed, unguarded, unprotected, weak, hands tied, in line of fire, like a clay pigeon, like a sitting duck, on the line, on the spot, out on limb, pigeon*, up the creek, wide open |
| Antonyms: | powerful, strong |
* = informal/non-formal usage
| Main Entry: | deficient |
| Part of Speech: | adjective |
| Definition: | imperfect, inadequate |
| Synonyms: | amiss, bad, damaged, defective, exiguous, faulty, impaired, incomplete, inferior, infrequent, injured, insufficient, lacking, meager, rare, scanty*, scarce, second fiddle*, second string, short, shy, sketchy, skimpy, unequal, unfinished, unsatisfactory, wanting, weak, flawed, found wanting, marred, not cut out for, not enough, not make it, not up to scratch, outta gas, scant, third string, unassembled |
| Notes: | defective means having a defect or fault, while deficient means inadequate or lacking in amount or degree |
| Antonyms: | adequate, ample, enough, excessive, faultless, flawless, perfect, satisfactory, sufficient, superfluous |
* = informal/non-formal usage
| Main Entry: | doddering |
| Part of Speech: | adjective |
| Definition: | aged, feeble |
| Synonyms: | decrepit, infirm, senile, shaky, unsteady, weak, anile, dotard, faltering, floundering, tottering, trembling |
| Antonyms: | agile, young, youthful |
| Main Entry: | enervated |
| Part of Speech: | adjective |
| Definition: | exhausted, worn out |
| Synonyms: | debilitated, deteriorated, done in, fatigued, feeble, incapacitated, lackadaisical, languid, languishing, limp, listless, paralyzed, prostrate, run-down, rusty, soft, spent, spiritless, tired, weak, weakened, devitalized, enfeebled, gone to seed, languorous, on the ropes, out of condition, out of gas, out of shape, prostrated, sapped, undermined, unnerved, vitiated, washed out |
| Antonyms: | active, animated, enthusiastic, lively, activated, energized, invigorated, strengthened |
| Main Entry: | fainthearted |
| Part of Speech: | adjective |
| Definition: | timid |
| Synonyms: | afraid, cowardly, fearful, frightened, gutless, intimidated, lily-livered*, meek, mousy, spineless, weak, yellow*, cowed, cowering, having cold feet, unassertive, wimpy |
* = informal/non-formal usage
| Main Entry: | fallible |
| Part of Speech: | adjective |
| Definition: | able or prone to err |
| Synonyms: | careless, deceptive, errant, erring, faulty, frail, heedless, human, ignorant, imperfect, liable, mortal, questionable, uncertain, unreliable, untrustworthy, weak, errable, in question |
| Antonyms: | certain, correct, definite, infallible, perfect, reliable, strong, sure, unerring |
| Main Entry: | faulty |
| Part of Speech: | adjective |
| Definition: | not working; incorrect |
| Synonyms: | adulterated, amiss, awry, bad, below par, blamable, broken, cracked, damaged, debased, defective, deficient, distorted, erroneous, fallacious, fallible, false, frail, impaired, imperfect, inaccurate, inadequate, incomplete, inexact, injured, insufficient, invalid, lame, leaky, lemon, maimed, malformed, out of order, rank, sick, tainted, unfit, unreliable, unsound, weak, wrong, blemished, botched, flawed, imprecise, malfunctioning, marred, unretentive, warped |
| Antonyms: | accurate, correct, perfect, sound, strong, working |
| Main Entry: | feckless |
| Part of Speech: | adjective |
| Definition: | without purpose |
| Synonyms: | aimless, carefree, careless, feeble, fustian, futile, good-for-nothing*, hopeless, incautious, incompetent, ineffective, ineffectual, irresponsible, meaningless, reckless, shiftless, useless, weak, wild, worthless, uncareful |
| Antonyms: | competent, effective, effectual, efficient, purposeful, responsible, strong, useful |
* = informal/non-formal usage
| Main Entry: | feeble |
| Part of Speech: | adjective |
| Definition: | not strong; ineffective |
| Synonyms: | aged, ailing, chicken*, debilitated, decrepit, delicate, doddering, dopey*, effete, enervated, exhausted, failing, faint, flabby*, flat, fragile, frail, gentle, helpless, impotent, inadequate, incompetent, indecisive, ineffectual, inefficient, infirm, insubstantial, insufficient, lame, languid, low, paltry, poor, powerless, puny, sickly, slight, tame, thin, unconvincing, weak, weakened, woozy*, zero*, emasculated, enfeebled, etiolated, out of gas, sapless, strengthless, vitiated, weakly, wimpy |
| Antonyms: | able, effective, hardy, healthy, hearty, powerful, solid, sound, strong |
* = 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.
