unusable

adjective

un·​us·​able ˌən-ˈyü-zə-bəl 

: not capable of being used or fit for use : not usable

unusable documentary footage

The lavatory, totally unusable, was full of snow which had blasted in through the keyhole.

—Katharine Sim

unusably

ˌən-ˈyü-zə-blē 

adverb

Synonyms of unusable

• useless
• impractical
• unsuitable

Examples of unusable in a Sentence

a completely unusable gadget that's just taking up space in the drawer

Recent Examples on the Web

Most of the web is unusable without an ad blocker, and Edge killing support for the best one will only make the experience worse. — Chris Hoffman, PC Magazine, 12 Aug. 2026

The symbol of an institution that for decades has prepared many of Ukraine’s top public finance officials and ministers sat bomb-blasted and unusable. — Howard Lafranchi, Christian Science Monitor, 11 Aug. 2026

The path would be unusable during heavy rains, but Bar-Zemer and others say that would be less than 20 days each year. — Los Angeles Times, 10 Aug. 2026

Toss anything broken, expired, or unusable that can’t be recycled. — Mary Cornetta, Better Homes & Gardens, 9 Aug. 2026

Word History

First Known Use

1825, in the meaning defined above

Rhymes for unusable

• fusible
• usable
• diffusible
• excusable
• infusible
• reusable
• inexcusable