Antonyms of noun ability

2 senses of ability

Sense 1
ability -- (the quality of being able to perform; a quality that permits or facilitates achievement or accomplishment)
       Antonym of inability (Sense 2)
      => inability, unfitness -- (lacking the power to perform)

Sense 2
ability, power -- (possession of the qualities (especially mental qualities) required to do something or get something done; "danger heightened his powers of discrimination")
       Antonym of inability (Sense 1)
      => inability -- (lack of ability (especially mental ability) to do something)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ability

2 senses of ability

Sense 1
ability -- (the quality of being able to perform; a quality that permits or facilitates achievement or accomplishment)
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)

Sense 2
ability, power -- (possession of the qualities (especially mental qualities) required to do something or get something done; "danger heightened his powers of discrimination")
       => cognition, knowledge, noesis -- (the psychological result of perception and learning and reasoning)