Synonyms of unable

unable

adjective

ˌən-ˈā-bəl 

as in unfit

lacking qualities (as knowledge, skill, or ability) required to do a job

a celebrated author of serious plays, he turned out to be a particularly unable writer of comedies

Synonyms & Similar Words

• unfit
• unfitted
• incompetent
• incapable
• ineligible
• unprepared
• inexperienced
• unskilled
• unqualified
• inept
• useless
• inapt
• inefficient
• ineffective
• inexpert
• ineffectual
• unskillful
• worthless
• wanting
• unequipped
• unprofessional
• green
• untrained
• disqualified
• amateurish
• callow
• raw
• dilettantish

Antonyms & Near Antonyms

• able
• capable
• competent
• skilled
• ready
• qualified
• expert
• prepared
• fit
• skillful
• trained
• ultracompetent
• experienced
• adept
• crack
• seasoned
• veteran
• ace
• accomplished
• consummate
• practiced
• virtuoso
• versatile
• overqualified
• protean
• all-around

Example Sentences

Recent Examples of unable

Traffic had built and slowed down in the area, when the motorcycle driver was unable to stop in time and collided with the tractor-trailer, police say. — Milena Malaver, Miami Herald, 18 July 2026

So as long as they're kept together, they're essentially locked in their larval state, unable to wreak havoc elsewhere in the museum. — Ari Daniel, NPR, 17 July 2026

This trend highlights a growing need for adaptation and raises concerns about equitable access to resources for those unable to afford necessary home modifications. — Daryl Fairweather, Forbes.com, 17 July 2026

Extreme heat can become dangerous, especially for people living alone, managing chronic health conditions or unable to afford adequate air conditioning. — Voice Of The People, New York Daily News, 17 July 2026