Monogamy/məˈnɑːɡəmi/ Definition 1 of 3Pro Tip 1/3Cultural Norm Monogamy can reflect cultural or religious expectations in many societies. Monogamy is often encouraged by cultural customs. Pro Tip 2/3Legal Implication In some places, legal systems support monogamous marriages with laws against bigamy. The law recognizes their monogamous union with benefits. Pro Tip 3/3Marital Status Monogamy can indicate a person's marital status and their exclusivity to one spouse. He updated his status to show his monogamous commitment.