fun

noun

1. activities that are enjoyable or amusing

   noun.act

   Examples

   I do it for the fun of it.

   He is fun to have around.

   Synonyms merriment playfulness

   Source: WordNet 3.0

2. verbal wit or mockery (often at another's expense but not to be taken seriously)

   noun.communication

   Examples

   He became a figure of fun.

   Synonyms play sport

   Source: WordNet 3.0

3. violent and excited activity

   noun.act

   Examples

   She asked for money and then the fun began.

   They began to fight like fun.

   Synonyms hell sin

   Source: WordNet 3.0

4. a disposition to find (or make) causes for amusement

   noun.attribute

   Examples

   He was fun to be with.

   Synonyms playfulness

   Source: WordNet 3.0

5. Sport; merriment; frolicsome amusement.

   noun

   Source: webster1913