SINCE 1828

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nonmonogamous

adjective non·mo·nog·a·mous \ ˌnän-mə-ˈnä-gə-məs \

Definition of nonmonogamous

: not of, relating to, or practicing monogamy : not monogamous

nonmonogamous couples

a nonmonogamous relationship

First Known Use of nonmonogamous

1887

in the meaning defined above

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