Why was "tantrum" trending last week?
incompetence in·com·pe·tence (ĭn-kŏm'pĭ-təns) or in·com·pe·ten·cy (-tən-sē)
The quality of being incompetent or incapable of performing a function, as the failure of the cardiac valves to close properly.
The condition of being not legally qualified, as to stand trial.
The inability to distinguish right from wrong or to manage one's affairs.