IPA: /ɪnˈkɒmpɪtənt/
KK: /ɪnˈkɑːmpɪtənt/
Not having the necessary skills or abilities to do something effectively.
The incompetent manager made several poor decisions that affected the team's performance.
A person who lacks the skills or ability to do something effectively or properly.
The team struggled because they had an incompetent leader who couldn't make decisions.
Incompetent → It is formed from "in-" (meaning not) and "competent" (from Latin "competens", meaning suitable or qualified). The word "incompetent" means not suitable or not qualified for a particular task or role.
Think of 'not' ('in-') being added to 'qualified' ('competent') — this helps you remember that 'incompetent' means someone who is not qualified.