Meaning of “inept” - Learner’s Dictionary

inept

adjective uk us /ɪˈnept/

unable to do something well:

socially inept
She was totally inept at telling jokes.
ineptly adverb
ineptitude uk us /ɪˈneptɪtjuːd/ noun [ U ]

(Definition of “inept” from the Cambridge Learner’s Dictionary © Cambridge University Press)