[ ek-sog-uh-mee ]
/ ɛkˈsɒg ə mi /


marriage outside a specific tribe or similar social unit.Compare endogamy.
Biology. the union of gametes of unrelated parents.

Nearby words

  1. exoenzyme,
  2. exoergic,
  3. exoerythrocytic,
  4. exoerythrocytic stage,
  5. exogamous,
  6. exogastrula,
  7. exogenetic,
  8. exogenic,
  9. exogenous,
  10. exogenous fiber

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 exogamy

British Dictionary definitions for exogamy


/ (ɛkˈsɒɡəmɪ) /


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 exogamy



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

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for exogamy


[ ĕk-sŏgə-mē ]


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.