Idiom idiom
eternal triangle
Meaning
A relationship involving three persons (usually two women and one man or two men and one woman) among whom there are conflicting and competing attachments of a romantic or emotional nature.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“Their romance is a messy eternal triangle.”
“The novel describes an eternal triangle between two best friends and the woman they both love.”
“Caught in a painful eternal triangle, the protagonist struggled to choose between his long-term partner and the person who had recently captured his heart.”
Anchors to
Last updated August 10, 2026