monogamy
mo·nog·a·my
noun \-mē\plural mo·nog·a·mies
Definition of MONOGAMY
: the state or custom of being married to one person at a time or of having only one mate at a time
—mo·nog·a·mous \mə-ˈnäg-ə-məs\ also mono·gam·ic \ˌmän-ə-ˈgam-ik\ adjective
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