# trinogamous

> English word · Adjective

## Definitions
1. Pertaining to a committed relationship involving three people, often including a married couple.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/trinogamous