Thesaurus

Synonyms for Incompetent include:

abominable, artless, atrocious, awful, bad, botched, botchy, bungled, bungling, butcherly, clumsy, corked, corky, crappy, crude, deficient, deplorable, disobedient, distressing, dreadful, evil, fearful, feckless, frightful, fumbling, hard, hopeless, horrid, humble, icky, ill, inadequate, incapable, incompetent, ineffective, ineffectual, inefficient, ineligible, inept, inexperienced, inexperient, lacking, lamentable, lousy, lowly, lubberly, mediocre, menial, mischievous, naughty, negative, no-good, out of practice, painful, pitiful, poor, pretty, quack, rotten, rough, rubber, rusty, sad, semiskilled, severe, short-handed, short-staffed, sorry, stinking, stinky, swingeing, terrible, tough, unable, uncool, undermanned, understaffed, uneconomical, uneffective, unequal to, unfavorable, unfavourable, unqualified, unsatisfactory, unskilled, unskillful, unspeakable, unsuitable, unworkmanlike, wanting, wasteful, weak, worse, worst

incompetent is a ADJ.

incompetent, incompetent person

incompetent is a NOUN.