Synonyms of triangular

Adjective

1. triangular, angular (vs. rounded), angulate

usage: having three angles; forming or shaped like a triangle; "a triangular figure"; "a triangular pyrimid has a triangle for a base"

2. trilateral, triangular, three-sided, multilateral (vs. unilateral), many-sided

usage: having three sides; "a trilateral figure"

Definition and meaning of triangular (Dictionary)