fun

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

3a : amusement, enjoyment sickness takes all the fun out of life play games for fun

b : derisive jest : sport, ridicule a figure of fun They made fun of the way he talked.

4 : violent or excited activity or argument Insults were exchanged and then the fun began.

Definition of fun