dimwit

(redirected from a dim-wit)

dimwit

One who is stupid or foolish. Geez, he keeps pulling on a door that's clearly marked "push"—what a dimwit.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

dimwit

(ˈdɪmwɪt)
n. an oaf; a dullard. (Also a rude term of address.) Oh, Dave, you can be such a dimwit!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
Murray plays a dim-wit who has the misfortune to get involved in an international murder mystery involving the Russian Secret Service when all he thinks he is doing is acting out a role in a play.
But in the Old Bailey her lawyers managed to convince a judge that 27-year-old Sullivan was no better than a dim-wit who could not cope in a crisis and was disastrously underdeveloped because of a thyroid problem.