1. laughing in a light, silly, or nervous way with short, repeated sounds
Usage: present participle of giggle

1. the act or sound of laughing in a light, silly way
Usage: gerund form

Examples

• The children were giggling at the funny cartoon.
• She couldn’t stop giggling during the serious meeting.
• His giggling was contagious and soon everyone was laughing.
• The giggling from the back row disrupted the class.
• They spent the evening giggling over old photos.
• Her nervous giggling gave away her embarrassment.
• The constant giggling made it hard to concentrate.