Definitions

1. adjective

most given to or characterized by giggling; causing or tending to cause giggling

“Her giggliest impression of her grandfather’s funny voice made us laugh out loud.”

2. superlative adjective

superlative form of giddy

“She’s the giggliest person in our friend group, always bringing laughter and joy.”

3. comparative adjective

comparative form of giddy

“He’s gigglier than anyone I’ve ever met, always ready to crack a joke.”