- incompetent - not qualified or suited for a purpose; "an incompetent secret service"; "the filming was hopeless incompetent"
Antonyms: competent, able, capable, effective, efficient, qualified, workmanlike
- bungling, clumsy, fumbling, incompetent - showing lack of skill or aptitude; "a bungling workman"; "did a clumsy job"; "his fumbling attempt to put up a shelf"
Antonym: skilled (indirect, via unskilled)
- incompetent, unskilled - not doing a good job; "incompetent at chess"
Antonym: good (indirect, via bad)
- incapable, incompetent, unequal to - not meeting requirements; "unequal to the demands put upon him"
Antonym: adequate (indirect, via inadequate)
- incompetent, incompetent person - someone who is not competent to take effective action
--1 is a kind of unskilled person
--1 has particulars:bungler, blunderer, fumbler, bumbler, stumbler, sad sack, botcher, butcher, fuckup; slouch