Apr 22, 2026 · The meaning of TRIANGULAR is of, relating to, or having the form of a triangle. How to use triangular in a sentence.

The triangular numbers or triangle numbers are the sequence of positive integers that can be represented as a lattice of points arranged in an equilateral triangle.

TRIANGULAR definition: 1. shaped like a triangle: 2. shaped like a triangle: 3. having the shape of a triangle. Learn more.

1. Of, relating to, or shaped like a triangle. 2. Having a triangle for a base: a triangular pyramid. 3. Relating to or involving three entities, such as three people, objects, or ideas.

TRIANGULAR definition: pertaining to or having the form of a triangle; three-cornered. See examples of triangular used in a sentence.

Like triangle, triangular is rooted in the Latin tri-, "three," and angulus, "angle or corner." You'll also occasionally find this adjective describing things that involve three people, like a triangular …

Something that is triangular is in the shape of a triangle. ...a triangular roof.

3 days ago · Adjective triangular (comparative more triangular, superlative most triangular) Shaped like a triangle.

Learn what triangular means with clear definitions, pronunciation, synonyms, and real-world examples. Simple explanations to help you use triangular correctly.

Definition of triangular adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.