[mi-sej-uh-ney-shuh n, mis-i-juh-]


marriage or cohabitation between two people from different racial groups, especially, in the U.S., between a black person and a white person: In 1968 the Supreme Court ruled unanimously that state laws prohibiting miscegenation were unconstitutional.
sexual relations between two people from different racial backgrounds that results in the conception of a mixed-race child.

Origin of miscegenation

irregular < Latin miscē(re) to mix + gen(us) race, stock, species + -ation; allegedly coined by U.S. journalist David Goodman Croly (1829–89) in a pamphlet published anonymously in 1864
Related formsmis·ce·ge·net·ic [mis-i-juh-net-ik, mi-sej-uh-] /ˌmɪs ɪ dʒəˈnɛt ɪk, mɪˌsɛdʒ ə-/, adjectivean·ti·mis·ce·ge·na·tion, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for miscegenation

Contemporary Examples of miscegenation

Historical Examples of miscegenation

  • The next point was, to get the miscegenation controversy into Congress.

  • Once the political barriers are down, miscegenation will finish the job.

    This Crowded Earth

    Robert Bloch

  • The only case where it is often invoked in the human race is in miscegenation.

    Applied Eugenics

    Paul Popenoe and Roswell Hill Johnson

  • Nature, though eager for cross-fertilisation, abhors 'miscegenation' with all the bitterness of an American politician.

  • The inflow of white blood was small, and much of what did come lost itself in the dismal swamp of miscegenation.

British Dictionary definitions for miscegenation



interbreeding of races, esp where differences of pigmentation are involved
Derived Formsmiscegenetic (ˌmɪsɪdʒɪˈnɛtɪk), adjective

Word Origin for miscegenation

C19: from Latin miscēre to mingle + genus race
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 miscegenation

"interbreeding of races," 1864, coined irregularly in American English from Latin miscere "to mix" (see mix (v.)) + genus "race" (see genus).

Online Etymology Dictionary, © 2010 Douglas Harper

miscegenation in Medicine


[mĭ-sĕj′ə-nāshən, mĭs′ĭ-jə-]


Marriage or sexual relations between individuals of different races.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.