adjective

unable

unable

He was unable to attend the meeting.

He was unable to attend the meeting.

I am unable to help you right now.

I am unable to help you right now.

((to-inf)) to be unable to do something I am unable to answer your question.

Synonyms: incapable; Antonyms: able, capable

From the prefix 'un-' (not) + 'able' (capable). Literally means 'not able'.

Think of 'un-able' as simply 'not able'. It describes a lack of capacity to do something.

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