Triangular

//tɹaɪˈæŋ.ɡjə.lɚ// adj

adj ·Moderate ·College level

Definitions

Adjective
  1. 1
    Shaped like a triangle.

    "A very neat old woman, still in her good outdoor coat and best beehive hat, was sitting at a polished mahogany table on whose surface there were several scored scratches so deep that a triangular piece of the veneer had come cleanly away,[…]."

  2. 2
    Of, or pertaining to, triangles.
  3. 3
    Having a triangle as a base; as, a triangular prism, a triangular pyramid.
  4. 4
    Having three elements or parties; trilateral, tripartite.
Adjective
  1. 1
    having three sides wordnet
  2. 2
    having three angles; forming or shaped like a triangle wordnet

Synonyms

All synonyms
angularcuneatecuneatedcuneiformdeltoidfan shaped

Example

More examples

"This god is cruel, nervous, and diabolic, with yellow wrinkly skin, small squinty eyes, a triangular nose, and bright teeth."

Etymology

From Middle English triangulare, trianguler, triangulere, from Old French triangulaire, triangulier and Latin triangulāris. By surface analysis, tri- + -angular.

Related phrases

triangular colontriangular divisiontriangular harptriangular hebesphenorotundatriangular matrixtriangular numbertriangular prismtriangular pyramidtriangular tradetriangulo-triangulartriangular harp

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.