dim·​wit | \ ˈdim-ˌwit How to pronounce dimwit (audio) \

Definition of dimwit

: a stupid or mentally slow person

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Synonyms & Antonyms for dimwit


airhead, birdbrain, blockhead, bonehead, bubblehead, chowderhead, chucklehead, clodpoll (or clodpole), clot [British], cluck, clunk, cretin, cuddy (or cuddie) [British dialect], deadhead, dim bulb [slang], dip, dodo, dolt, donkey, doofus [slang], dope, dork [slang], dullard, dum-dum, dumbbell, dumbhead, dummkopf, dummy, dunce, dunderhead, fathead, gander, golem, goof, goon, half-wit, hammerhead, hardhead, idiot, ignoramus, imbecile, jackass, know-nothing, knucklehead, lamebrain, loggerhead [chiefly dialect], loon, lump, lunkhead, meathead, mome [archaic], moron, mug [chiefly British], mutt, natural, nimrod [slang], nincompoop, ninny, ninnyhammer, nit [chiefly British], nitwit, noddy, noodle, numskull (or numbskull), oaf, pinhead, prat [British], ratbag [chiefly Australian], saphead, schlub (also shlub) [slang], schnook [slang], simpleton, stock, stupe, stupid, thickhead, turkey, woodenhead, yahoo, yo-yo


brain, genius

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Examples of dimwit in a Sentence

you're a dimwit if you think I'll sell my house for that price

Recent Examples on the Web

Jason is no less on her level than any other dimwit human. Laura Bradley, HWD, "How The Good Place Built Janet, TV’s Most Scene-Stealing Not-a-Robot," 4 June 2018 Last night, NBC New York's Chopper 4 was among several aircraft accosted by a laser-wielding dimwit. Eric Limer, Popular Mechanics, "Helicopter Crew Righteously Hunts Down the Idiot Blasting Them With a Laser," 12 Nov. 2015 On the other hand, if the test subjects were convinced that only dimwits performed well on such stupid tasks, their performance tanked precipitously. Steve Ayan, Scientific American, "10 Things You Don’t Know About Yourself," 15 May 2018 Home Alone Macaulay Culkin is forgotten by his family and forced to battle a couple of dimwit thieves (Joe Pesci and Daniel Stern) around Christmas in this enduring children's adventure from director Chris Columbus and writer John Hughes. Esquire Editors, Esquire, "The 25 Best Christmas Movies," 7 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dimwit.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dimwit

1921, in the meaning defined above

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Dictionary Entries near dimwit


dim sum

dim view





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Time Traveler for dimwit

The first known use of dimwit was in 1921

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English Language Learners Definition of dimwit

informal : a stupid person

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