nouns
activities that are enjoyable or amusing
"I do it for the fun of it"; "he is fun to have around"
verbal wit or mockery (often at another's expense but not to be taken seriously)
"he became a figure of fun"; "he said it in sport"
violent and excited activity
"she asked for money and then the fun began"; "they began to fight like fun"
domain usage
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
is a type of (narrower)
any specific behavior
"they avoided all recreational activity"
a disposition to find (or make) causes for amusement
"her playfulness surprised me"; "he was fun to be with"