Meanings
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1
noun
A man or boy (informal).
He's a really nice guy.
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2
noun
People in a group, used to address them informally.
Hey guys, are you ready to go?
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3
noun
A thing or item you point to instead of naming it (informal).
This little guy here controls the volume.
Thesaurus
Common collocations
Etymology
Coined by semantic widening from the name of Guy Fawkes (1570–1606), an English Catholic executed for his role in the Gunpowder Plot, from Old French Gui, a form of Proto-Germanic *Wido, a short form of names beginning with the element witu "wood" from Proto-Germanic *widuz, such as Witold and Widukind. Cognate with Italian Guido.
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