- a source of enjoyment, amusement, diversion, etc
- pleasure, gaiety, or merriment
- jest or sport (esp in the phrases in or for fun)
- fun and games ⇒ facetious ironic amusement; frivolous activity
- make fun of, poke fun at ⇒ to ridicule or deride
- (modifier) full of amusement, diversion, gaiety, etc: a fun sport
WordReference Random House Unabridged Dictionary of American English © 2026
fun′ and games′, [Informal.]
WordReference Random House Learner's Dictionary of American English © 2026- Informal Termsfrivolously diverting activity.
- 1915–20
fun /fʌn/USA pronunciation
n.,
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- [uncountable]
- something that provides mirth or amusement:A picnic would be fun.
- enjoyment or playfulness:She's full of fun.
adj.
- Informal Termsproviding pleasure or amusement;
enjoyable:[before a noun]That would be a fun thing to do.
- Idioms for or in fun, as a joke;
not seriously;
playfully:We played that prank on him for fun. - Idioms make fun of, [~ + object] to make the object of jokes, insults, or ridicule;
deride:likes to make fun of the neighbors.
fun
(fun),USA pronunciation n., v., funned, fun•ning, adj.
n.
v.i., v.t.
adj.
n.
- something that provides mirth or amusement:A picnic would be fun.
- enjoyment or playfulness:She's full of fun.
- Idioms for or in fun, as a joke;
not seriously;
playfully:His insults were only in fun. - like fun, [Informal.]certainly not;
of doubtful truth:He told us that he finished the exam in an hour. Like fun he did! - Idioms make fun of, to make the object of ridicule;
deride:The youngsters made fun of their teacher.
v.i., v.t.
- Informal Termsjoke;
kid.
adj.
- Informal Termsof or pertaining to fun, esp. to social fun:a fun thing to do; really a fun person.
- Informal Termswhimsical: flamboyant:The fashions this year are definitely on the fun side.
- dialect, dialectal variant of obsolete fon to befool. See fond1 1675–85
- 1. 2. merriment, pleasure, play, gaiety.
Collins Concise English Dictionary © HarperCollins Publishers::
fun /fʌn/ n When fun is used as a modifier, the usual comparative and superlative constructions are more fun and most fun: doing the research was the most fun part of the job. However, the forms funner and funnest are sometimes encountered, especially in American English: doing the research was the funnest part of the job.
'fun and games' also found in these entries (note: many are not synonyms or translations):