idiot

/ˈɪdiət/
noun
  1. A person who is not intelligent or who has done something very stupid.
    • Don't be an idiot — wear your helmet when you ride your bike.
    • Only an idiot would leave their keys in the car with the engine running.
    • He felt like an idiot after forgetting his own mother's birthday.
What does "idiot" mean? | whatsthatwordmean | whatsthatwordmean