Definition of fun
(Entry 1 of 3)
1
: what provides amusement or enjoyment
specifically
: playful often boisterous action or speech
full of fun
2
: a mood for finding or making amusement
all in fun
4
: violent or excited activity or argument
Insults were exchanged and then the fun began.
fun
verb
funned; funning
Definition of fun (Entry 2 of 3)
: to indulge in banter or play : joke
fun
adjective
sometimes funner; sometimes funnest
Definition of fun (Entry 3 of 3)
1
: providing entertainment, amusement, or enjoyment
a fun party a fun person to be with
2
: full of fun : pleasant
have a fun time
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Merriam-Webster unabridged
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Time Traveler for fun
The first known use of fun was in 1726
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