multiamorous

adjective2

1. •
   (rare) Having many romantic or sexual loves.

   • Clarke undoubtedly hoped her reports would disenchant the multiamorous Fauriel with the multiamorous Madame Douglas. — 1994
2. •
   Being able to love in many ways including polyamory, monogamy, etc.

   • She describes herself as is a sadomasochist, multiamorous switch, trolloping bootblack, sex machine, kinky chef, and professional pervert. — 2012