cachinnate
verb/ˈkækɪneɪt/
Etymology From Latin cachinnō (“laugh aloud”), of onomatopoeic origin.
1
To laugh immoderately, loudly, or too often.
- The villain began to cachinnate and twirl his moustache.
- There is a sense of spectral whirling through liquid gulfs of infinity, of dizzying rides through reeling universes on a comet’s tail, and of hysterical plunges from the pit to the moon and from the moon back again to the pit, all livened by a cachinnating chorus of the distorted, hilarious elder gods and the green, bat-winged mocking imps of Tartarus.1928 February, H[oward] P[hillips] Lovecraft, “The Call of Cthulhu. The Madness from the Sea.”, in Farnsworth Wright, editor, Weird Tales: A Magazine of the Bizarre and Unusual, volume XI, number 2, Indianapolis, Ind.: Popular Fiction Publishing Company, →OCLC, page 178, column 2:
- Derived terms
- cachinnation, cachinnator, cachinnatory