cachinnation








verb (used without object), cach·in·nat·ed, cach·in·nat·ing.

  1. to laugh loudly or immoderately.

noun

  1. raucous laughter
  2. psychiatry inappropriate laughter, sometimes found in schizophrenia

verb

  1. (intr) to laugh loudly
n.

“loud laughter,” 1620s, from Latin cachinnationem (nominative cachinnatio) “violent laughter, excessive laughter,” noun of action from past participle stem of cachinnare “to laugh immoderately or loudly,” of imitative origin. Cf. Sanskrit kakhati “laughs,” Greek kakhazein “to laugh loudly,” Old High German kachazzen, English cackle, Armenian xaxanc’.

v.

“to laugh loudly or immoderately,” 1824, from Latin cachinnatum, past participle of cachinnare (see cachinnation). Related: Cachinnated; cachinnating.

n.

  1. Loud, hard, or compulsive laughter without apparent cause.
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