• synonyms


See more synonyms on Thesaurus.com
  1. marriage outside a specific tribe or similar social unit.Compare endogamy.
  2. Biology. the union of gametes of unrelated parents.

Origin of exogamy

First recorded in 1860–65; exo- + -gamy
Related formsex·og·a·mous [ek-sog-uh-muh s] /ɛkˈsɒg ə məs/, ex·o·gam·ic [ek-suh-gam-ik] /ˌɛk səˈgæm ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for exogamy

Historical Examples

  • See the authorities cited by Frazer in Totemism and Exogamy.

    Introduction to the History of Religions

    Crawford Howell Toy

  • Even in such cases we find transitions to the next form of exogamy.

  • When capture disappeared, the exogamy to which it gave rise remained.

  • This represents the exogamy which is associated with the totem.

    Totem and Taboo

    Sigmund Freud

  • Andrew Lang declared himself in agreement with this explanation of exogamy.

    Totem and Taboo

    Sigmund Freud

British Dictionary definitions for exogamy


  1. sociol anthropol the custom or an act of marrying a person belonging to another tribe, clan, or similar social unitCompare endogamy
  2. biology fusion of gametes from parents that are not closely related
Derived Formsexogamous (ɛkˈsɒɡəməs) or exogamic (ˌɛksəʊˈɡæmɪk), adjective
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 exogamy


1865, Modern Latin, literally "outside marriage," from exo- + -gamy. Related: Exogamous.

Online Etymology Dictionary, © 2010 Douglas Harper

exogamy in Medicine


  1. Sexual reproduction by means of conjugation of two gametes of different ancestry, as in certain protozoan species.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.