Fun (Noun)

Activities that are enjoyable or amusing; "I do it for the fun of it"; "he is fun to have around".

Nouns denoting acts or actions.

A disposition to find (or make) causes for amusement; "her playfulness surprised me"; "he was fun to be with".

Nouns denoting attributes of people and objects.

Her fun and outgoing personality made her a joy to be around at parties.
He was always fun to be with, always cracking jokes and making people laugh.
The teacher's fun approach to learning made the subject more enjoyable for her students.
Her fun and carefree spirit was contagious, and soon everyone was dancing and having a great time.
The comedian's fun and lighthearted take on everyday situations had the audience in stitches.

Verbal wit or mockery (often at another's expense but not to be taken seriously); "he became a figure of fun"; "he said it in sport".

Nouns denoting communicative processes and contents.

He was the office clown and became a figure of fun for everyone.
Her habit of tripping on the stairs made her a constant source of fun for her siblings.
The comedian poked fun at politicians with sarcastic jokes that had the audience in stitches.
He said it all in fun, but his mom still got annoyed at his teasing.
The humorous article was meant to poke fun at the latest fashion trends.

Violent and excited activity; "she asked for money and then the fun began".

Nouns denoting acts or actions.

The crowd erupted into chaos as the protest turned violent and the fun began for the rioters.
The rowdy teenagers reveled in the mayhem, thinking the fun had only just started.
The heist was meticulously planned, but the real fun would be making the getaway.
As the stormtroopers breached the door, the fun began for the rebels who had been lying in wait.
The pranksters snickered and high-fived each other as the chaos they unleashed became the most fun they'd had all year.