Fun definitions

fŭn
The definition of fun is something that brings pleasure, joy or playfulness.

An example of fun is dancing with friends.

An example of fun is children playing together at the playground.

noun
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Enjoyment; amusement.

We had fun at the beach.

noun
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A source of enjoyment, amusement, or pleasure.

Was the party fun?

noun
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To speak or act facetiously; joke or fool.
verb
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To tease or speak playfully to.
verb
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Enjoyable; amusing.
adjective
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A source or cause of amusement or merriment, as an amusing person or thing.
noun
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Lively, joyous play or playfulness; amusement, sport, recreation, etc.
noun
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Enjoyment or pleasure.
noun
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Intended for, or giving, pleasure or amusement.

A fun gift.

adjective
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To have or make fun; play or joke.
verb
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(informal) Enjoyable, amusing.

We had a fun time at the party.

He is such a fun person to be with.

adjective
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This year's fashion style is much more fun than recent seasons.

adjective
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noun
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(colloquial) To tease, kid, poke fun at, make fun of.

Hey, don't get bent out of shape over it; I was just funning you.

verb
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Origin of fun

Alternative etymology connects Middle English fonne to Old Frisian fonna, fone, fomne, variant forms of Old Frisian fāmne, fēmne (“young woman, virgin”), from Proto-Germanic *faimnijǭ (“maiden”), from Proto-Indo-European *peymen- (“girl”), *poymen- (“breast milk”). If so, then cognate with Old English fǣmne (“maid, virgin, damsel, bride”), West Frisian famke (“girl”), Eastern Frisian fone, fon (“woman, maid, servant," also "weakling, simpleton”).