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

Ossie then agrees to tell any of Camille and Robert Sims’s Raiders that his equipment’s busted and unusable. — Noel Murray, Vulture, 24 July 2026

There are 10 public showers that have become unusable over time due to misuse by some residents. — Julimar Valentina Rivas Perez, NBC news, 24 July 2026

An initial group of club staff sent out on Wednesday to prepare the camp for the arrival of Hurzeler and his players reported back that the pitches are unusable. — Andy Naylor, New York Times, 24 July 2026

Without a potent enough backlight, your screen can be washed out or even unusable when the sun is out. — K. Thor Jensen, PC Magazine, 17 July 2026

Word History

First Known Use

1825, in the meaning defined above

Rhymes for unusable

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