Synonyms of incompetent in English:

incompetent


See US English definition of incompetent

See UK English definition of incompetent

See Spanish definition of incompetente

adjective

1‘he lost his job due to his incompetent performance’

SYNONYMS
inept, unskilful, unskilled, inexpert, amateurish, unprofessional, lacking ability, bungling, blundering, clumsy, unproficient, inadequate, substandard, inferior, ineffective, deficient, inefficient, ineffectual, no good, not good enough, wanting, lacking, leaving much to be desired
incapable, unfitted, unfit, unsuitable, unqualified
informal useless, pathetic, cack-handed, ham-fisted, not up to it, a dead loss, not up to scratch, not up to snuff
British informal unable to do something for toffee, unable to do something to save one's life, not much cop
vulgar slang half-arsed
British vulgar slang not know one's arse from one's elbow, couldn't organize a piss-up in a brewery
ANTONYMS

competent, skilful