dimwit

noun

UK/ˈdɪm.wɪt/
US/ˈdɪm.wɪt/

Definitions of dimwit noun

  1. Countable

    a person considered to be foolish or unintelligent

    • He locked his keys in the car; what a dimwit.

    • Try not to spill your coffee like a dimwit.

    • Only a dimwit like you would believe such a thing.