trinogamous

English

Etymology

From tri- +‎ (mo)nogamous. Compare trigamous.

Adjective

trinogamous (not comparable)

1. (colloquial) Pertaining to a committed relationship involving three people, often including a married couple.
   • 2006, The Hollywood Reporter, volume 395:

     And we mus[t]n't forget "Three of Hearts," a feature-length documentary about the nine- year "trinogamous" relationship among bisexual men Sam Cagnina and Steven Margolis and heterosexual woman Samantha Singh.

   • 2013, Donn Cortez, Investigating CSI: Inside the Crime Labs of Las Vegas, Miami and New York, BenBella Books, Inc., →ISBN, page 233:

     When a man is shot dead on the sidewalk, two women claim to be his wife. Mac, Stella, and dr. hawkes soon discover that the trio were involved in a trinogamous relationship that might not have been as happy as the widows claim.

Anagrams

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