1. Humor has been well defined as thinking in fun while feeling in earnest. 

2. He said so only in fun.

3. Don't say such things, even in fun.

4. It was all done purely in fun.

5. Evelyn would tease her, but only in fun .

6. He only said it in fun he didn't really mean it.

7. Never point a gun at someone, even in fun,as it might be loaded.

8. It wasn't serious - it was all done in fun.

9. She only said that in fun?please don't take it seriously!

10. It was a pact made in fun long ago.

11. Carlin shook Bond's hand to show his act was all done in fun.

12. Encourage better follow-through by making a game out of it or introducing soaps in fun shapes or scents to make washing more enticing.

13. Somebody could cut a caper seriously, but be serious in fun.sentence dictionary

14. This is the most absorbable type of calcium, tastes great and in fun shapes for kids!

15. Quotable Quote : Humor has been defined as thinking in fun while feeling in earnest.