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English definition of “fun”

fun

noun [U] uk   /fʌn/ us  

fun noun [U] (PLEASURE)

A1 pleasure, enjoyment, or entertainment: Have fun (= enjoy yourself)! Having fun (= are you enjoying yourself)? I really enjoyed your party - it was such good fun. She's great fun to be with. Mark was ill for most of the holiday so that took all the fun out of it. It's no fun/not much fun (= not enjoyable) having to work on Saturdays. a fun-loving girl "We're going on a picnic at the weekend." "What fun (= how enjoyable)!" The relationship was never going to work, but it was fun while it lasted. for fun (also for the fun of it) B1 for pleasure: I ran but just for fun. make fun of sb/sth B2 to make a joke about someone or something in a way that is not kind: The other children were always making fun of him because he was fat and wore glasses.

fun noun [U] (GAME/JOKE)

behaviour or activities that are not serious; games or jokes: The children are always full of fun. I didn't mean to upset her - it was just a bit of fun. I didn't mean what I said, it was only in fun (= a joke).

fun

adjective [before noun] uk   /fʌn/ us  
A2 enjoyable: There are lots of fun things to do here.
(Definition of fun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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