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Use "nonmonogamous" in a sentence
"“Sweethearting” and “taking up” were usually nonmonogamous relationships, which according to historian Anthony Kaye, were “a temporary tie that entailed more prerogatives than obligations and many new feelings and pleasures.”"
"We can also see this in the contrapositive: having more than one sexual partner is by definition nonmonogamous."
"Human behavior of the nonmonogamous type is all around me here."