unable

Word parts

un- + able

Pronunciation

• IPA ^(key): /ʌnˈeɪbəl/

• Audio (US)

  (file)

Adjective

Positive unable

Comparative none

Superlative none

1. When something is unable to do something, it cannot do it; it is not able to do it.
   • Antonym: able

   I am unable to climb that mountain because I am too weak.