I'm looking for adjectives conveying energy and pure unadulterated joy, specifically modifying the noun "laugh". (Or, alternatively, "guffaw")
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What about a rambunctious laugh ?
- "uncontrolled in a way that is playful or full of energy" - MW
"She let out a rambunctious laugh"
"I was surprised. I didn't expect such a rambunctious laugh."
- a boisterous laugh?
- a belly-laugh?
- a hearty laugh?
- an explosive laugh?
- a roaring laugh?
- or a convulsive laugh?
She shocked me by letting loose an unrestrained, blissful, bright, bubbly, joyous, and raucous laugh.
Laughter is one of the few verbs you can do uproariously, so I'd use that!