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See more synonyms for cachinnate on Thesaurus.com
verb (used without object), cach·in·nat·ed, cach·in·nat·ing.
  1. to laugh loudly or immoderately.
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Origin of cachinnate

1815–25; < Latin cachinnātus (past participle of cachinnāre to laugh aloud, laugh immoderately), equivalent to cachinn- laugh aloud + -ātus -ate1
Related formscach·in·na·tion, nouncach·in·na·tor, nouncach·in·na·to·ry [kak-uh-nuh-tawr-ee, -tohr-ee, kuh-kin-uh-] /ˈkæk ə nəˌtɔr i, -ˌtoʊr i, kəˈkɪn ə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for cachinnate

roar, cackle, guffaw

Examples from the Web for cachinnate

Historical Examples of cachinnate

  • That definition excludes women, because they giggle, or chuckle, or cachinnate.

    Punchinello, Vol. II., No. 35, November 26, 1870


British Dictionary definitions for cachinnate


  1. (intr) to laugh loudly
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Derived Formscachinnatory, adjective

Word Origin for cachinnate

C19: from Latin cacchināre, probably of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cachinnate


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

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Online Etymology Dictionary, © 2010 Douglas Harper