nitwit

[ nit-wit ]
/ ˈnɪtˌwɪt /

noun

a slow-witted, stupid, or foolish person.

Origin of nitwit

1920–25; nit (< German; dialectal variant of nicht not) + wit1(in the sense of ‘intelligence’)

Example sentences from the Web for nitwit

British Dictionary definitions for nitwit

nitwit
/ (ˈnɪtˌwɪt) /

noun

informal a foolish person

Word Origin for nitwit

C20: perhaps from nit 1 + wit 1