guy
1 Americannoun
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Informal. a man or boy; fellow.
He's a nice guy.
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Informal. none guys people, regardless of their gender.
Could one of you guys help me with this?
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Chiefly British Slang. a grotesquely dressed person.
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British. Often Guy a grotesque effigy of Guy Fawkes that is paraded through the streets and burned on Guy Fawkes Day.
verb (used with object)
idioms
noun
verb (used with object)
noun
noun
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informal a man or youth
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a crude effigy of Guy Fawkes, usually made of old clothes stuffed with straw or rags, that is burnt on top of a bonfire on Guy Fawkes Day
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a person in shabby or ludicrously odd clothes
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informal (plural) persons of either sex
verb
noun
verb
noun
abbreviation
Etymology
Origin of guy1
First recorded in 1800–10; after Guy Fawkes
Origin of guy2
First recorded in 1300–50; Middle English gi(e), from Old French guie “a guide,” derivative of guier to guide
Explanation
A guy is a dude, a boy, a man, or really anybody. It's an informal way to refer to a person, especially a male. But a group of people can be guys, even if they’re all female. Hey guys! Another meaning of guy comes from a guy rope, which is basically a rope that supports something like a tent to a pole. What a guy! So to guy means “to support” or “tie to” and not just physically. It’s almost like a “guide” which comes from Old French guie, and ultimately from a Germanic root. The sense attributed to a person or a fellow comes from two sources: a French proper name for a male (related to Guido in Italian) and Guy Fawkes, who famously plotted to blow up Parliament in 1605 and is still burned in effigy yearly on the British Guy Fawkes Day.
Vocabulary lists containing guy
First-Name Basis: Words That Are Also Names
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Graham's Top 50 Words, in terms of relevance
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Christie's Top 50 Most Relevant Words
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I’m a blacktop guy who ended up getting so much good fortune in life.
From Los Angeles Times • Apr. 15, 2026
“What they ultimately respect is, ‘How good is this guy or girl at getting me better?’”
From The Wall Street Journal • Apr. 14, 2026
McKechnie is, Jackson enthused, "a guy that can keep players on the floor".
From BBC • Apr. 14, 2026
“These guys won’t leave you alone, bro,” he said before playing that famous video of the guy freaking out over the double rainbow.
From Los Angeles Times • Apr. 12, 2026
“Didn’t you notice,” she began in an oddly strangled voice, “how, when those men were fighting, the cute janitor guy yelled out, ‘Jonah!
From "Found" by Margaret Peterson Haddix
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.