Simple Definition of unable

from our Learner's Dictionary

unable

adjective

ˌʌnˈeɪbəl How to pronounce unable (audio)
not used before a noun
: not able to do something
I was unable to afford the trip.
He was unable to play tennis after the injury.

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“Unable.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/unable. Accessed 15 Apr. 2026.

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Nglish: Translation of unable for Spanish Speakers

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