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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.

“Europe is entering a decisive decade, and it is unable to act,” he said.

From The Wall Street Journal • Apr. 6, 2026

An October 2024 launch party with Will Smith and Alicia Keys proved premature, as rushed work left hotels riddled with construction problems and unable to open without hundreds of millions of dollars of fixes.

From The Wall Street Journal • Apr. 6, 2026

But tech analyst Paolo Pescatore said the computer, targeted at business users, was "far too costly", unable to succeed commercially.

From BBC • Apr. 4, 2026

They note that the main culprit was a “catastrophically bad control-room design” where workers “were unable to understand what was going wrong.”

From Slate • Apr. 4, 2026

His biggest positions were with Goldman, and Goldman was newly unable, or unwilling, to determine the value of those positions, and so could not say how much collateral should be shifted back and forth.

From "The Big Short" by Michael Lewis

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.