Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “unusable”

unusable

adjective uk   /ʌnˈjuː.zə.bl̩/ us  
describes something that cannot be used, especially because it is broken or not safe: The normal supply of water has turned brown and unusable. The virus deletes files and corrupts essential core microchips, leaving computers unusable.Not functioningIn bad condition
(Definition of unusable from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of unusable?
Add Cambridge dictionaries to your browser to your website

Translations of “unusable”

Word of the Day

roost

When birds roost, they go somewhere to rest or sleep.

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More