Thesaurus

weak

adjective

Synonyms and Antonyms of weak

  1. 1 lacking bodily strength the little boy was simply too weak to lift the box Synonyms of weak asthenic, debilitated, delicate, down-and-out, effete, enervated, enfeebled, faint, feeble, frail, infirm, languid, low, prostrate, prostrated, sapped, slight, soft, softened, tender, unsubstantial, wasted, weakened, wimpish, wimpy Words Related to weak challenged, disabled, incapacitated, invalid; paralyzed; broken-down, decrepit; impotent, powerless; breakable, flimsy, fragile; dizzy, groggy, rocky, unsteady, woozy; drained, exhausted, flagging, tired, weary, worn-out; damaged, harmed, hurt, impaired, injured, lame, unsound; resistless, susceptible, unresistant, vulnerable, yielding Near Antonyms of weak able-bodied, athletic, beefy, brawny, fit, husky, muscular, sinewy, strapping, virile; hard, hardy, lusty, red-blooded, robust, sturdy, tough; fortified, hardened, inured, strengthened, toughened; energetic, energized, invigorated, vigorous, vitalized; hale, healthy, sound; capable, competent; convalescing, recovering, recuperating Antonyms of weak mighty, powerful, rugged, stalwart, stout, strong

  2. 2 lacking strength of will or character proved to be a weak leader who did little to fight corruption Synonyms of weak characterless, effete, frail, invertebrate, limp-wristed, milk-and-water, namby-pamby, nerveless, soft, spineless, weakened, weak-kneed, weakling, wet [British], wimpish, wimpy, wishy-washy Words Related to weak flabby, flaccid, forceless, ineffective, ineffectual; impotent, impuissant, powerless; emasculated, unnerved; lamblike, meek, pliable, submissive; corrupt, dastardly, unprincipled, unscrupulous, villainous; cowardly, craven, fainthearted, lily-livered, nebbishy, poltroon, pusillanimous, sissy, timid; infirm, irresolute, vacillating Near Antonyms of weak ethical, good, moral, principled, right, righteous, upright, virtuous; determined, mettlesome, resolute, unrelenting; courageous, stalwart, stouthearted Antonyms of weak backboned, firm, hard, strong, tough

  3. 3 not containing very much of some important element the coffee came out too weak because I didn't use enough ground beans Synonyms of weak dilute, diluted, thin, thinned, washy, watery, weakened Words Related to weak adulterated, watered-down Near Antonyms of weak enriched, fortified; concentrated, condensed, evaporated Antonyms of weak full-bodied, rich, strong

  4. 4 not using or following good reasoning your argument is weak Synonyms of weak fallacious, illegitimate, inconsequent, inconsequential, invalid, irrational, nonrational, unreasonable, unreasoning, unsound, illogicalWords Related to weak eristic (also eristical), misleading, sophistic (or sophistical), specious; half-baked, ill-advised, misguided, unconsidered, unreasoned; inconsistent; absurd, asinine, foolish, meaningless, nonsensical, preposterous, reasonless, senseless, silly; Kafkaesque, odd, peculiar, strange, surreal, unusual, weird; insane, mad, nutty, wacky (also whacky); disordered, disorganized, rambling, random; unconvincing; inexplicable, unaccountable, unexplainableNear Antonyms of weak commonsense, sane, sensible, sober, wise; enlightened, informed, just, justified, reasoned; ordered, organized; clear, cogent, compelling, convincing, credible, persuasive, plausible, satisfying, solid; certain, sure, true; confirmed, corroborated, demonstrated, established, substantiated, validatedAntonyms of weak logical, rational, reasonable, sound, valid, well-founded, well-grounded

  5. 5 unable to act or achieve one's purpose the vice president is a relatively weak official Synonyms of weak hamstrung, handcuffed, helpless, high and dry, hog-tied, impotent, impuissant, paralyzed, powerlessWords Related to weak incapable, incompetent, ineffective, ineffectual, inept, unfit, useless; feeble, frail, infirm, passive, spineless, supine, unaggressiveNear Antonyms of weak able, capable, competent, effective, efficient; authoritarian, autocratic (also autocratical), despotic, dictatorial, magisterial, tyrannical (also tyrannic); dominant, dynamic, energetic, forceful, robust, sturdy, tough, vigorous; important, major, significant; high-level, senior, topAntonyms of weak mighty, potent, powerful, puissant, strong

Synonym Discussion of weak

weak, feeble, frail, fragile, infirm, decrepit mean not strong enough to endure strain, pressure, or strenuous effort. weak applies to deficiency or inferiority in strength or power of any sort.
    • felt weak after the surgery
feeble suggests extreme weakness inviting pity or contempt.
    • a feeble attempt to walk
frail implies delicacy and slightness of constitution or structure.
    • a frail teenager unable to enjoy sports
fragile suggests frailty and brittleness unable to resist rough usage.
    • a reclusive poet too fragile for the rigors of this world
infirm suggests instability, unsoundness, and insecurity due to old age or crippling illness.
    • infirm residents requiring constant care
decrepit implies being worn-out or broken-down from long use or old age.
    • the dowager's decrepit retainers


Seen and Heard

What made you want to look up weak? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

marked by intense feeling

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!