1. relating to or practicing exogamy; involving marriage or mating outside one's own group, clan, or community
Usage: anthropology; formal

Examples

• Many traditional societies maintained exogamic rules that required members to marry outside their immediate family group.
• The anthropologist studied exogamic marriage patterns across different cultures.
• Exogamic practices helped reduce genetic risks in small populations.
• The tribe's exogamic customs promoted alliances with neighboring communities.
• Modern societies are generally exogamic, with few restrictions on whom one may marry.