/fun/ , n. , v. , funned, funning , adj.
n.
1. something that provides mirth or amusement: A picnic would be fun.
2. enjoyment or playfulness: She's full of fun.
3. for or in fun , as a joke; not seriously; playfully: His insults were only in fun.
4. like fun , Informal. certainly not; of doubtful truth: He told us that he finished the exam in an hour. Like fun he did!
5. make fun of , to make the object of ridicule; deride: The youngsters made fun of their teacher.
v.i. , v.t.
6. Informal. joke; kid.
adj.
7. Informal. of or pertaining to fun, esp. to social fun: a fun thing to do; really a fun person.
8. Informal. whimsical: flamboyant: The fashions this year are definitely on the fun side.
[ 1675-85; dial. var. of obs. fon to befool. See FOND 1 ]
Syn. 1, 2. merriment, pleasure, play, gaiety.