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Definitions

unable

[uhn-ey-buhl] / ʌnˈeɪ bəl /
ADJECTIVE
not having talent, skill
Synonyms
STRONGEST
helpless impotent inadequate incapable not able powerless sidelined unfit weak
WEAK
can't cut it can't hack it can't make the grade clumsy hog-tied impuissant incapacitated incompetent ineffectual inefficacious inefficient inept inoperative no can do no good not cut out for not equal to not up to out of commission unfitted unqualified unskilled
Antonyms
STRONGEST
able capable competent fit potent qualified strong sufficient
WEAK
adequate skillful talented

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Police and army vehicles are parked outside and on occasion personnel can be seen from a private military firm which AFP was unable to identify.

From Barron's • Apr. 22, 2026

Former Aston Villa and Norwich boss Dean Smith came in but was unable to save them.

From BBC • Apr. 21, 2026

Shipping companies have been unable to buy “forward fuel” at a negotiated price for delivery next month.

From The Wall Street Journal • Apr. 21, 2026

They seem to be in disarray and either unable or unwilling to commit to sustained action.

From Slate • Apr. 21, 2026

Rasseem’s birds wobbled in their cages under their tarpaulin, unable to muster a sound.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri