Trinogamous

adj, slang

adj, slang ·Uncommon ·College level

Definitions

Adjective
  1. 1
    Pertaining to a committed relationship involving three people, often including a married couple. colloquial, not-comparable

    "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."

Example

More examples

"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."

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.