NITWIT
Meaning of NITWIT in English
/ ˈnɪtwɪt; NAmE / noun
( informal ) a stupid person
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WORD ORIGIN
early 20th cent.: apparently from nit stupid person + wit .
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005