polyamorous

adjective

poly·​am·​o·​rous ˌpä-​lē-​ˈa-​mə-​rəs 

-​ˈam-​rəs

: involving, having, or characterized by more than one open romantic relationship at a time : marked by polyamory

… Wonder Woman was created by a man who not only believed in the superiority of the fairer sex but also carried on a polyamorous relationship with two feminists who lived with him in one house, along with their children.

—Melissa Maerz

They are a "polyamorous" family – one whose members are openly committed to several loves at the same time.

—Annalee Newitz

… many polyamorous relationships are exclusive families whose composition may not change for decades, if ever.

—Elizabeth Larsen

Examples of polyamorous in a Sentence

Recent Examples on the Web

All couples and moresomes who are adults are welcome in the Dome – straight, lesbian, gay, bi, polyamorous and monogamous. —Katie Bain, Billboard, 26 Aug. 2025

Some of the world’s 300 or so octopus species are monogamous, others polyamorous. —Cecilia Rodriguez, Forbes.com, 29 June 2025

Veering into a midlife crisis, the bisexual Sparrow and her partner, Stuart, agree to pursue a polyamorous entanglement with Sparrow’s old crush, Naomi. —Andrea Long Chu, Vulture, 16 June 2025

Before long, the three are entangled in a series of polyamorous mishaps. —Charlie Tyson, New Yorker, 4 June 2025

Word History

Etymology

poly- + amorous

First Known Use

1969, in the meaning defined above

Rhymes for polyamorous

• amorous
• clamorous
• gammarus
• glamorous