Definition of "guy" in English

noun

1. (UK, Ireland) An effigy of a man burned on a bonfire on the anniversary of the Gunpowder Plot (5th November).

2. (dated) A person of eccentric appearance or dress; a "fright".

3. (colloquial) A man or boy; a fellow.

4. (especially in the plural, often controversial) A person (see usage notes).

   • I recently rewatched the original Star Wars trilogy. I'm not a Star Wars guy, but I did enjoy them a lot more than I did the first time. / The movie seemed more like just Ellie's personal journey into being, like, "Wow, religion can be cool, I guess", which is fine, but I'm more of a sci-fi guy, so I would rather read the book.

5. (colloquial) Anything seen to have character and personality, such as an animal or a toy.

   • The dog's left foreleg was broken, poor little guy.

6. (informal, term of address) Buster, Mack, fella, bud, man.

   • Hey, guy, give a man a break, would ya?

7. (colloquial) Thing, item (term that can be used to refer to any entity)

   • This guy, here, controls the current, and this guy, here, measures the voltage.
   • This guy is the partial derivative of that guy with respect to x.

verb

1. (intransitive) To exhibit an effigy of Guy Fawkes around the 5th November.

2. (transitive) To make fun of, to ridicule with wit or innuendo.

3. (theater, transitive) To play in a comedic manner.

noun

1. (obsolete, rare) A guide; a leader or conductor.

2. (chiefly nautical) A support rope or cable used to aid in hoisting or lowering.

3. (chiefly nautical) A support to secure or steady structures prone to shift their position or be carried away (e.g. the mast of a ship or a suspension bridge).

verb

1. To equip with a support cable.