Thesaurus

weak

adjective

Synonyms and Antonyms of weak

1 lacking bodily strength

The little boy was simply too weak to lift the box.

Synonyms of weak

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

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 lacking strength of will or character

He proved to be a weak leader.

Synonyms of weak

characterless, effete, frail, invertebrate, namby-pamby, nerveless, soft, spineless, weakened, weak-kneed, weakling, 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 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 not using or following good reasoning

Your argument is weak.

Synonyms of weak

fallacious, illegitimate, illogical, inconsequent, inconsequential, invalid, irrational, nonrational, unreasonable, unreasoning, unsound

Words Related to weak

misleading, specious

half-baked, ill-advised, misguided, unconsidered, unreasoned

absurd, asinine, foolish, meaningless, nonsensical, preposterous, reasonless, senseless, silly

odd, peculiar, strange, surreal, unusual, weird

insane, mad, nutty, wacky (also whacky)

disordered, disorganized, rambling, random

inexplicable, unaccountable, unexplainable

Near 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, validated

Antonyms of weak

logical, rational, reasonable, sound, valid, well-founded, well-grounded

5 unable to act or achieve one's purpose

The office of the vice president is relatively weak.

Synonyms of weak

hamstrung, handcuffed, helpless, high and dry, hog-tied, impotent, impuissant, paralyzed, powerless

Words Related to weak

incapable, incompetent, ineffective, ineffectual, inept, unfit, useless

feeble, frail, infirm, passive, spineless, supine, unaggressive

Near 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

Antonyms 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

Learn More about weak

See words that rhyme with weak Dictionary: Definition of weak Spanish Central: Translation of weak Nglish: Translation of weak for Spanish speakers Britannica English: Translation of weak for Arabic speakers

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).

show

WORD OF THE DAY

satiety

play

fullness to the point of excess

Words at Play

Ask the Editors

Word Games