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
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Examples from the Web for exogamous

Historical Examples of exogamous

British Dictionary definitions for exogamous


  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 exogamous



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

Online Etymology Dictionary, © 2010 Douglas Harper

exogamous 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.