Verb

1. To laugh gently or in a high-pitched voice; to laugh in a silly or giddy way.

   The jokes had them giggling like little girls all evening.

Noun

1. A high-pitched, silly laugh.
2. Amusement.

   We put itching powder down his shirt for giggles.

   The women thought it would be quite a giggle to have a stripagram at the bride's hen party.

Synonyms

• (laugh): titter
• (amusement): amusement, fun, a joke, a laugh or laughs