incompetent
adjectivemasculine/feminine/ĩkõpɨˈtẽtɨ/medium
in·com·pe·ten·te
Definition
Not having or showing the necessary skills to do something successfully.
The manager was deemed incompetent for the position he held.
He is incompetent at solving such simple problems.
Common collocations
incompetent technicianincompetent decisionto be declared incompetent
Etymology
Do latim 'incompetens, incompetentis', de 'in-' (não) + 'competens' (competente).