Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Slang A stupid person.
Wiktionary
- n. pejorative A person who is deficient in intelligence.
WordNet 3.0
- n. a stupid incompetent person
Etymologies
- From dim + wit (Wiktionary)
Examples
“The dimwit is always OT and has next to nothing to say.”
Think Progress » Hoekstra: I’d ‘Prefer’ To Tell Cheney To ‘Kind Of Back Off’ Obama
“I guess they are actually paying attention to what this dimwit is saying and doing instead of blindly adoring her as the future standard bearer of the party.”
Poll: Majority of Republicans don't think Palin's qualified for prez
“However there will still be the sheep that cling to the fantasy that this dimwit is capable of running the country but I have given up hope for them.”
“It never ceases to amaze me how this vapid, dimwit is always on the wrong side of every issue.”
Palin gives 'stirring' gun rights speech at NRA dinner, says group
“December 3rd, 2009 9: 25 am ET dimwit is the one from south carolina another member of the party of NO. not alone”
“Well, late last night, J.C. released my story, which, because I’m a dimwit, is untitled.”
“From a pampered baby, Sharman suddenly became a responsible person whose say mattered in the house. “When you get that space at home, you realise that you will not stand being called a dimwit by your peers or colleagues.”
“So you want to take the policy advocated by the "dimwit"?”
“Paddy Power, which prides itself on paying out early on certain bets, called itself a "special kind of dimwit" in a statement released Monday.”
The Wall Street Journal: Wall Street's 'Natural' Eyes Cycling's Worlds
“Laura Shapiro's repeated use of the word "dimwit" to describe Princess Diana is insensitive and tactless ( "Sad As She Wants to Be," Society & the Arts, Aug. 23).”
Lists
These user-created lists contain the word ‘dimwit’.
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UK - slang
fanny, nick, mufti, siphon, mug, smashing, butcher, stick up, knocker, porridge, tit, punter and 208 more...
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Gapeseeds and Muckworms - Compound De...
A list of compound derogatory names such as gapeseed, muckworm and lickspittle. Your one-word contributions to this list are welcome.
See sionnach's list derogatory terms I should use ...gapeseed, muckworm, lickspittle, makeweight, bootlicker, backscratcher, apple-polisher, backslapper, brownnoser, rakeshame, yesman, freeloader and 293 more...
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funny & derogatory
WARNING: VERY EXPLICIT. YOU HAVE BEEN WARNED.
funny derogatory names, quotes, phrases.
( open list, randomness, ad hom, ad hominem )
also see:
buttfucking quitter, dirty sanchez, donkey punch, falcon punch, assbadger, unicorn turd, assclown, fudgenut, quackery, friggin homo, buttmuncher, jackwagon and 274 more... -
Unsavory characters
absconder, aretaloger, arriviste, avaunter, bamboozler, bandit, banger, barbarian, barmecide, barrator, beldam, blatherskite and 190 more...
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WF - nominal compounds (figurative)
An extensive list I have been working on for quite some time. Feel free to add more of the kind if you miss any.
brainstorming, upside, downside, goldplating, bikeshedding, mudslinging, downgrading, headhunter, streamlining, mainstreaming, gerrymandering, frontloading and 503 more...
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Just not to bright
words describing people or things that just aren't very intelligent
galah, idiot, simpleton, dufus, dummy, stupid, moron, moronic, idiocy, dimwit, special, on the short bus and 10 more...
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Insult Words
A rich collection of all the ways you can insult someone's intelligence.
nincompoop, dimwit, moron, cretin, idiot, meathead, dingbat, nerd, loony, fool, dunce, lamebrain and 31 more...
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Twitter favorites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favorite word" and adds it to this list.
See also:
grabbable, retuiteando, leaving, fantastic, absolutely, kurwa, hella, ridic, underpass, hate, interlude, plush and 2369 more... -
Is it morning yet?
coterie, lexeme, counterbalance, forthright, pigtail, ponytail, french-braid, barrette, listless, counsel, sitting duck, dead duck and 268 more...
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slumry's Words
cattywampus, ingratiate, lackadaisical, exactitude, exfoliate, fulminate, circumnavigation, circuitous, debride, sidle, sequester, chicory and 1002 more...
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Tuesday words
just the next words that come along
nasality, transignification, lapsarian, disciple, slanguage, atwitter, avast, ahoy, asleep, awake, hymnody, glissade and 573 more...
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All Those Jazz Words
Words coined or popularized during the Roaring '20s.
bob, fuzz, back-seat driver, jalopy, step on it, cop a plea, gimmick, hijack, speakeasy, to take (someone)..., cockeyed, scofflaw and 74 more...
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2011 July
New words
correspondent, promulgate, transgress, trite, ravine, corespondent, contrivance, contrive, expedient, conducive, clairvoyance, difform and 184 more...
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name calling
bean counter, desk jockey, gourmand, bilge rat, landlubber, luddite, banshee, simpleton, pinko, red diaper baby, lollard, villain and 24 more...
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A Wit List
wit, witty, witless, outwit, nitwit, witting, unwitting, inwit, witticism, witling, iwit, fat-witted and 64 more...
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Swearwords [NSFW]
Favorite things to call people that piss me off or to shout out when enraged. Not all of them are actual swearwords.
fuck, fucking, shit, idiot, motherfucker, cocksucker, bitch, whore, moron, dickhead, douche, douchebag and 44 more...
Tweets
Looking for tweets for dimwit.

reesetee Or the sharpest pencil in the box. Sep 17, 2007
uselessness Apparently so. Not the brightest star in the sky, so to speak. Sep 17, 2007
reesetee As with dimbulb? Sep 17, 2007
uselessness One whose wits are dim. An idiot. Sep 17, 2007