trilateral — English Dictionary

Adjective

1. Having three sides

   Usage

   • not-comparable

2. Involving three parties

   Usage

   • not-comparable

   Examples

   The trilateral peace conference, between the red faction, blue faction and white faction, went nowhere.

   More examples (2)

   Meanwhile, a trilateral agreement has been signed with the French and Irish governments committing the nations to keeping freight routes open throughout the pandemic.

   Hours later, answering journalists’ questions via a WhatsApp chat, Mr. Zelenskyy said the Trump administration had floated a trilateral meeting in Miami involving the U.S., Ukraine, and Russia.

Adjective

1. involving three parties

   Examples

   trilateral talks

2. having three sides

   Synonyms

   triangularthree-sided

   Examples

   a trilateral figure

Noun

1. a three-sided polygon

   Synonyms

   triangletrigon

   Broader terms

   polygonpolygonal shape