What does "cachinnate" mean?

To laugh loudly, immoderately, or too often.

What is a synonym for "cachinnate"?

Common synonyms include: break up, burst out, cackle, chortle, chuckle, crow.

/ˈkækɪneɪt/ verb

verb ·Rare ·Advanced level

Verb

1
To laugh loudly, immoderately, or too often. intransitive
"The villain began to cachinnate and twirl his moustache."
2
laugh loudly and in an unrestrained way wordnet

"The villain began to cachinnate and twirl his moustache."

From Latin cachinnō (“laugh aloud”), of onomatopoeic origin.