what means incompetent?
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  incompetent, incompetent person(adj) someone who is not competent to take effective action. 2  incompetent, unqualified(adj) legally not qualified or sufficient. 3  incompetent(adj) not qualified or suited for a purpose.  bungling, clumsy, fumbling, incompetent(adj) showing lack of skill or aptitude.