cachinnate

Definition

To laugh loudly, immoderately, or too often.

Etymology

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

Example Sentences

• "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."