Synonyms of weak
51 similar words · 35 opposite words
Another word for weak is faint. Other synonyms of weak are frail, feeble, wasted, flimsy and tender. The opposite of weak is invincible.
Synonyms and similar words for weak
adjectiveLacking in force (usually strength) or ability.
- feebleLacking force, vigor, or effectiveness in action or expression; faint.
- frailWeak; infirm.
- powerless
- vincibleCapable of being defeated or overcome; assailable or vulnerable.
- assailableAble to be assailed or attacked.
- vulnerable
adjectiveDilute, lacking in taste or potency.
adjectiveMore synonyms
- anemicWeak; listless; lacking power, vigor, vitality, or colorfulness.
- breakable
- broken-down
- damagedThat has suffered damage.
- debilitated
- decrepitWeakened or worn out from age or wear.
- delicateOf weak health; easily sick; unable to endure hardship.
- dickless
- effeteLacking strength or vitality; feeble, powerless, impotent.
- enervatedWeakened, debilitated or deprived of strength or vitality.
- enfeebledWeakened; reduced to a powerless state.
- exhausted
- faintLacking strength; weak; languid; inclined to lose consciousness.
- flimsyLikely to bend or break under pressure; easily damaged; frail, unsubstantial.
- fragileFeeling weak or easily disturbed as a result of illness.
- harmed
- hurt
- impaired
- impotentLacking physical strength or vigor; weak.
- infirmWeak or ill, not in good health.
- injuredSuffering from an injury.
- languidOf a person or animal, or their body functions: flagging from weakness, or inactive or weak, especially due to illness...
- lowLacking health or vitality, strength or vivacity; feeble; weak.
- prostrated
- prostrate
- punyOf inferior significance, size, or strength; ineffective, small, weak.
- raddledWorn-out and broken-down.
- resistless
- sapped
- slightsoft
- softened
- susceptible
- tenderPhysically weak; not able to endure hardship.
- tired
- torpid
- unresistantNot resistant.
- wastedEmaciated and haggard.
- weakenedReduced; made less strong.
- weary
- weedy IrelandLacking power or effectiveness.
- wimpyHaving the characteristics of a wimp; feeble, indecisive, cowardly.
- worn out
- yieldingDocile, or inclined to give way to pressure.
Opposite of weak
adjectiveRegular in inflection, lacking vowel changes and having a past tense marked by /-d-/, /-t-/, or...
- strongCapable of producing great physical force.
adjectiveAntonym(s) of “lacking in force or ability”.
- healthy
- powerful
- robust
- invincibleImpossible to defeat, destroy, or kill; too powerful to be defeated or overcome.
adjectiveAntonym(s) of “lacking in taste or potency”.
adjectiveMore antonyms
- able-bodied
- athletic
- beefy
- brawny
- capable
- competent
- durableAble to resist wear or decay; lasting; enduring.
- firm
- fit
- fortified
- haleSound, entire, healthy; robust, not impaired.
- hardened
- hardy
- mighty
- muscular
- puissantPowerful, mighty, having authority.
- rugged
- sinewy
- sound
- stalwart
- stout
- strapping
- strengthened
- sturdy
- toughened
- tough
- vigorous
- virile
- vitalized
Meaning of weak
- adjective Lacking in force (usually strength) or ability.
- adjective Unable to sustain a great weight, pressure, or strain.
- adjective Limp, soft.
weak in other languages
Questions about synonyms of weak
- What is another word for weak?
- Weak has 51 synonyms on Word.ws, such as faint, frail, feeble, wasted, flimsy, tender, impotent and fragile.
- What is the opposite of weak?
- The opposite of weak is invincible. Other antonyms of weak are durable, powerful, healthy, strong and sound.
- What does weak mean?
- Weak means lacking in force (usually strength) or ability.
Source and license
Adapted from Wiktionary: weak (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of weak.” Word.ws, https://word.ws/synonyms/weak. Based on Wiktionary, CC BY-SA 4.0.