exogamous

/ɛkˈsɑɡəməs/
adjective
  1. Practicing or involving marriage outside one's own social group, clan, or community.
    • Many traditional societies are exogamous, requiring people to marry outside their village.
    • The exogamous rule helped maintain peace between neighboring clans.
    • Exogamous marriages can bring new genetic diversity into a population.
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What does "exogamous" mean? | whatsthatwordmean | whatsthatwordmean