Nincompoop

Pronunciation: /ˈnɪŋkəmˌpuːp/

Nincompoop (noun)

  1. A rude word for a person who is foolish or not very good at doing things.
  2. A person who keeps making mistakes because they do not understand what to do.

Examples

  • That nincompoop forgot the keys again.
  • The team laughed at the nincompoop who missed the simple rule.