Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A stupid or silly person; a dolt.
- n. A person whose mental acumen is well below par.
- n. A person of moderate to severe mental retardation having a mental age of from three to seven years and generally being capable of some degree of communication and performance of simple tasks under supervision. The term belongs to a classification system no longer in use and is now considered offensive.
- adj. Stupid; silly.
- adj. Well below par in mental acumen.
Century Dictionary and Cyclopedia
- Without physical strength; feeble; impotent; helpless.
- Mentally feeble: fatuous; having the mental faculties undeveloped or greatly impaired. See imbecility.
- Marked by mental feebleness or incapacity; indicating weakness of mind; inane; stupid: as, imbecile efforts; an imbecile speech.
- Synonyms and Foolish, driveling, idiotic. See debility.
- n. One who is imbecile.
- To make imbecile; weaken.
- To embezzle.
Wiktionary
- n. obsolete A person with limited mental capacity who can perform tasks and think only like a young child, in medical circles meaning a person who lacks the capacity to develop beyond the mental age of a normal five to seven-year-old child.
- n. pejorative A fool, an idiot.
GNU Webster's 1913
- adj. Destitute of strength, whether of body or mind; feeble; impotent; esp., mentally wea; feeble-minded.
- n. One destitute of strength; esp., one of feeble mind; -- sometimes used as a pejorative term.
- n. (Psychology) A person with a degree of mental retardation between that of an idiot and a moron; in a former classification of mentally retarded person, it applied to a person with an adult mental age of from four to eith years, and an I.Q. of from 26 to 50.
- v. obsolete To weaken; to make imbecile.
WordNet 3.0
- n. a person of subnormal intelligence
- adj. having a mental age of three to seven years
Etymologies
- From Latin imbēcillus ("weak, feeble"), literally “without a staff”. (Wiktionary)
- From obsolete French imbécille, weak, feeble, from Old French, from Latin imbēcillus : in-, not; see in-1 + possibly bacillum, staff, diminutive of baculum, rod; see bak- in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Chagrined as he was at what he termed his imbecile stupidity in not knowing his own heart all these past months, and convinced, as he also was, that Alice and Calderwell cared for each other, he could see no way for him but to play the part of a man of kindliness and honor, leaving a clear field for his preferred rival, and bringing no shadow of regret to mar the happiness of the girl he loved.”
“These imbecile is in serious need of a few episodes of Bill Nye the Science Guy.”
“A teabagger win for any office would be extremely damaging to this country, but this imbecile is willing to risk it to teach the Dems a lesson.”
Think Progress » Carl Cameron Gets Chummy With Brown Supporters, Ducks Question Of Fox News’ Ethics
“The imbecile is hopefully the face of the right for future elections for there is no better way to drive people in the other direction than to have Lipstick Fido show up.”
“The slobbering imbecile is just desperate for company.”
“Dorks are just quirky and silly, an imbecile is a person whose mental acumen is well below par.”
“An imbecile is defined as a feeble minded person having the mental age of three to seven years.”
Think Progress » Lieberman Flashback: Questioning Bush’s Credibility Is Central To Democracy
“Of course, we can't save those people if some imbecile is in charge of the very effort to save those people.”
“His sudden change from loving if not exciting boyfriend to selfish imbecile is too sudden and, given what his character actually goes through, almost understandable.”
“The second objection is even more - may I use the word imbecile?”
Lists
These user-created lists contain the word ‘imbecile’.
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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... -
unkind words
unkind words or those refering them.
twit, gibe, blockhead, bonehead, cretin, dullard, imbecile, simpleton, clod, dunce, simp, ignoramus and 39 more...
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types of people
the name of a certain type of person or character
confidante, sycophant, exhibitionist, introvert, demagogue, ascetic, philanthropist, imbecile, zealot, stoic, fanatic, epicure and 3 more...
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Unwording
Outlawed words and books, like this.
samizdat, satanic verses, profanity, oriental, antilanguage, biddy, aviatrix, squaw, deaf-mute, border patrolman, cassandra, niggardly and 45 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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I am costanza, lord of the "idiots"!
moron, dolt, knucklehead, buffoon, clown, imbecile, asinine, slow, witless, dimwitted, blockhead, clueless and 10 more...
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the first list
an immense, grandiloquent list that loads like a thousand years sentence in stone. new words are in the other lists.
ridiculous, brummagem, predicament, sanctimonious, vapid, eschew, admonish, auspicious, capitulation, enumerate, lachrymose, tenet and 1648 more...
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Twitter favourites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favourite word" and adds it to this list.
See also:
thunderfuck, incredible, merp, sara, flopparoo, smother, fugly, buer, plum, canny, nefelibata, cuntbucket and 1972 more... -
Morthalion's Words
supercilious, kvetch, kvass, splurge, erroneous, pugnacious, macabre, gauche, conglomerate, abyss, paraphernalia, kleptomania and 285 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:
unfathomably, glice, cuh, fab, ciggaty, doll, thuggin, oxymoronic, pineapple, succubutt, griming, cheeky and 2369 more... -
Just 'cause I like 'em, I
irenic, inimical, ignotism, infrangible, internecine, illumine, ingot, imposter, iconoclast, indefeasible, indefatigable, impingement and 184 more...
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Wrongheads
Insults that make me laugh. Some of these are re-contextualized because they sound like insults to me.
wretched, dasdardly, sniveling, dingbat, rankle, vapid, ninny, nincompoop, dolt, imbecile, fucktard, scoundrel and 173 more...
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Personal Vocabulary List
All my favourite words that I come across!
veritable, incongruence, rigamorole, letcherous, revolting, repulsive, reputrid, rapatious, forays, guise, placate, paradigm and 1162 more...
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The Sog Collection
My big word list.
chaos, flaccid, empirical, flotsam, cacophony, grumble, assuage, awe, romance, mortality, coalesce, fortuitous and 3282 more...
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The New Yorker
prejudice, ignominious, quintessence, disparity, vanguard, repudiated, eclectic, dredge, taxonomy, pugnacious, surreptitiously, pudgy and 113 more...
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know-it-all
eunuch, couvade, ecclesiastes, enigma, inevitable, crucible, genteel, bedlam, baculum, scapulimancy, atrophy, smut and 170 more...
Tweets
Looking for tweets for imbecile.

joannasephine And apparently there's a number: having an IQ of between 25 and 50.
(So worse than a moron.) Jul 1, 2009
wytukaze Citation as adjective at sedge. Nov 12, 2008
brtom By the way go easy with that money like a good young imbecile. Yes, I must.
Joyce, Ulysses, 3 Dec 29, 2006