incompetent

About 2.66 uses per million words.

Meaning

1. adjective Lacking the degree of ability and responsibility necessary to do a task successfully.

   Having an incompetent lawyer may be grounds for a retrial, but the lawyer in question probably doesn't know that.

2. adjective Unable to make rational decisions; insane or otherwise cognitively impaired.

   The charged was judged incompetent to stand trial, at least until his medication started working.

3. adjective Opening too early during pregnancy, resulting in miscarriage or premature birth.
4. adjective Not resistant to deformation or flow.
5. noun A person who is incompetent.

Similar words

inept inadequate inefficient ineffective unskilled feckless bad unqualified incapable unworkmanlike

Often followed by

to and or person in as persons for patients

Word family

incompetently incompetents