monogamy /məˈnɑːgəmi/ noun Learner's definition of MONOGAMY
[noncount]
1
: the state or practice of being married to only one person at a time一夫一妻(制) — compare polygamy 2
: the state or practice of having only one sexual partner during a period of time单配偶;单配性
— monogamous
/məˈnɑːgəməs/ adjective