triangular
- 01 B1 Intermediate
having three straight sides and three corners.
shaped like a triangle; having three sides and three angles.
Simple“The sailors noticed a triangular fin cutting through the water near the boat.”
In context“The architect incorporated several triangular windows into the roofline to maximize the amount of natural light entering the attic studio.”
- 02 B2 Upper Intermediate
involving three people, groups, or countries.
having three elements or involving three distinct parties.
Simple“The three countries signed a triangular trade agreement to help their economies.”
In context“The diplomatic crisis was eventually resolved through a triangular negotiation involving the two warring factions and a neutral mediator.”
SynonymsAntonyms
From Middle English triangulare, trianguler, triangulere, from Old French triangulaire, triangulier and Latin triangulāris. By surface analysis, tri- + -angular.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.