[noun] someone who is not competent to take effective action Synonyms:person
[adjective] not qualified or suited for a purpose; "an incompetent secret service"; "the filming was hopeless incompetent"
[adjective] showing lack of skill or aptitude; "a bungling workman"; "did a clumsy job"; "his fumbling attempt to put up a shelf" Synonyms:bungling, clumsy, fumbling
[adjective] not doing a good job; "incompetent at chess" Synonyms:unskilled
[adjective] not meeting requirements; "unequal to the demands put upon him" Synonyms:incapable, unequal to