marriage outside a specific tribe or similar social unit.Compare endogamy.
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. 2019

Examples from the Web for exogamic

Historical Examples of exogamic

  • If a group is exogamic, the women in it were born abroad somewhere.


    William Graham Sumner

  • Lang adds that these taboos are the basis of exogamic practices.

  • The Seri are loosely organised in a number of exogamic, matrilineal, totemic clans.

    Man, Past and Present

    Agustus Henry Keane

  • The Arunta 'exogamic groups' are 'classes,' and 'phratries,' the totem does not now regulate marriage among the Arunta.

  • Yet Mr. Spencer remarks that 'the development of exogamic groups' gradually resulted from some organisation of unknown nature.

British Dictionary definitions for exogamic



sociol anthropol the custom or an act of marrying a person belonging to another tribe, clan, or similar social unitCompare endogamy
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 exogamic



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

Online Etymology Dictionary, © 2010 Douglas Harper

exogamic in Medicine




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.