cachinnate

present singular third person cachinnates · participle present cachinnating · participle past cachinnated · past cachinnated

1. intransitiveTo laugh immoderately, loudly, or too often.

   The villain began to cachinnate and twirl his moustache.

   1 more example

   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

   Synonyms: guffaw