Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An incompetent, foolish, or stupid person.
- n. A careless mistake; a slip.
- v. To make a silly mistake; blunder: goofed up by turning right instead of left.
- v. To waste or kill time: goofed around at the mall.
- v. To tease or make fun of someone: goofed on her younger brother.
- v. To spoil, as through clumsiness; bungle. Usually used with up: goof up a job.
Wiktionary
- n. US A mistake or error
- n. US As a specific usage in film, an error made during production which finds its way into the final release.
- n. US A foolish person
- n. A child molester.
- v. US To make a mistake.
- v. US To engage in mischief.
GNU Webster's 1913
- n. colloq. a stupid fool.
- v. to commit a faux pas or fault.
WordNet 3.0
- n. a man who is a stupid incompetent fool
- n. a person who amuses others by ridiculous behavior
- v. commit a faux pas or a fault or make a serious mistake
Etymologies
- Perhaps from dialect goff ("foolish clown") from early modern English goffen (Wiktionary)
- Possibly alteration of dialectal goff, fool, from obsolete French goffe, stupid. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Should help promote the benefits of martial arts, though. (permanent screengrab of the goof is here, for when they finally fix the error)”
“NEW DELHI: The Bharatiya Janata Party on Sunday demanded the resignation of Minister of State for Women and Child Development Krishna Tirath for what it called a goof-up in the advertisement issued by her Ministry.”
“Is it just me or is Terry McAuliffe the biggest spin goof doctor in political history!”
“It's all crap, and the Democractic Party will once again goof up by taking the nomination away from Hillary Clinton.”
“MALVEAUX: Democratic presidential candidate Barack Obama admitting what he says he calls a goof-off in high school who experimented with alcohol and drugs.”
“Perhaps the biggest goof is to drop the American from American Indian, as President Bush did at the ceremony while noting that ‘like many Indian dwellings, the new museum building faces east toward the rising sun.’”
“I mean look at Bill Murray, before he did Lost in Translation he was always known as the goof ball comedic actor, and then completely sent everyone into a total 180* with one of the best comedic/dramatic performances I have ever seen.”
“Many Canadians will quickly dismiss Coulter as a goof, which is just as easy as her dismissing Canadians as a bunch of beer-guzzling hosers.”
“Though the goof is a minor one (in that it doesn't change the conclusion of the report), the backlash probably won't be, given what happened the last time around.”
“If the goof is a petty one, there is not much of a need to bother the courts or taxpayers with the cost of a trial.”
Lists
These user-created lists contain the word ‘goof’.
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Public List: Two by Fives
This is an experiment in public lists--something I've been thinking about for some time. The goal is to create a collection of short, powerful, evocative words.
This is an open list. A...icy, howl, hymn, thorn, fire, vile, mist, blunt, scum, dark, shot, gleam and 221 more...
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old timey talk
Words or Sayings from the 1920's or whatever that no one really uses anymore (at least in that context).
scram, bearcat, heavens to betsy, dick, double-cross, ducky, gams, goofy, hooch, jalopy, john, joe and 174 more...
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EN-HU - important words for a HU inte...
Words only (I left out the expressions) from Geza Kerenyi's EN-HU interpreters' dictionary. Most of them pose some difficulty when interpreted between HU and EN in either or both directions.
abalone, abrasive, abstractionist, abstruse, abysmal, academia, accessibility, accessible, acclimate, accolade, accompanist, achiever and 1469 more...
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Fictional music genres
fudgepunk, whangboogie, electrogush, jizzbilly, glambient, queasy listening, chip shop, baroque'n'roll, prog folk, chemo, riant grrl, blingfolk and 584 more...
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Incorrectum
Mistakes, Errors and Accidents.
nihilartikel, solecism, bevue, corrigendum, acyrology, cacoepy, fido, hamartithia, jeofail, mésalliance, mumpsimus, pseudochronism and 63 more...
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Twitter faves
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:
gonk, nerking, guap, gimp, fabulous, dabble, fabilicious, tragic, zooted, hey, cheekini, nugget and 457 more... -
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... -
SoSheShall's list
slurp, coeur, slurple, glop, perp, fluarxx, ropechno, herrherr, burrduhherrherr, sloppy, cheezie balls, eccentric and 634 more...
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NTB
chaos, Sagittarius, aether, magic, jester, fool, random, delirium, fire, life, cosmic, riddle and 120 more...
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Slang words of Irish origin according...
Compare the etymologies of these words as given in the OED with the Gaelic backgrounders in this book, How the Irish Invented Slang: The Secret Language of the Crossroads (Counterpunch, 2007). Awai...
smack, snazzy, pussy, geek, dork, dude, smudge, snap, slugger, slum, scam, slew and 102 more...
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Spod's Words
corpulent, squidge, squiffy, sinuosity, ebullient, finger, penetrate, stimulate, recalcitrant, recidivist, dunnock, rococo and 152 more...
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Doctor deterrents
Not as cute as sheep, but there are some fun cultivar names.
black amish, captain kidd, foxwhelp, davey, chisel jersey, cat's head, doctor hogg, ginger gold, irish peach, horneburger pancake, james grieve, holstein and 71 more...
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one grunt each
If nothing else, they're good for saying fast, sequentially.
vim, kern, fork, smock, cur, gorp, moof, shag, butt, fag, vag, frig and 9 more...
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hColleen's Words
kirikirimai, sensual, soothe, sensate, magistrate, yuuyami, ame, goof, apple, yaoi, oyasumi, ima ga imamade and 17 more...
Tweets
Looking for tweets for goof.

PossibleUnderscore The sort of person who, when being drowned by a known attacker, will still come up for that last desperate breath and cry, voice thick with sincerity and passion, "I lerve you!" Jan 3, 2010
vanishedone Another -oof word that's actually in the WordNet database but which WeirdNet fails to display here. As is proof. I think we have a pattern... and an odd-sounding bug report in the making. Mar 21, 2009