Adjective
1. not qualified or suited for a purpose;
"an incompetent secret service""the filming was hopeless incompetent"2. showing lack of skill or aptitude;
"a bungling workman""did a clumsy job""his fumbling attempt to put up a shelf"3. not doing a good job;
"incompetent at chess"4. not meeting requirements;
"unequal to the demands put upon him"