monogamy

Từ điển WordNet v3.1 - WordNet Dictionary

noun

having only one spouse at a time
• Syn:
monogamousness
• Derivationally related forms:
monogamous (for: monogamousness), monogamous, monogamist
• Hypernyms:
marriage, matrimony, union, spousal relationship, wedlock
• Hyponyms:
monogyny, serial monogamy