Definition of triangular in English:

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Pronunciation: /trʌɪˈaŋɡjʊlə/


1Shaped like a triangle; having three sides and three corners: dainty triangular sandwiches
More example sentences
  • Two triangular shaped plastic latches extrude from the side.
  • It had a smooth carapace, like a beetle, and a triangular shaped head with two huge bug eyes atop each corner.
  • On either side of the headband, just behind her ears are triangular shaped ornaments of sorts.
three-sided, three-cornered, triangle-shaped
technical trilateral
rare trigonal, trigonous, trigonic
1.1Involving three people or parties: a triangular cricket competition
More example sentences
  • For one, slave hiring provided flexibility within the slave system that yielded benefits for all parties involved in the triangular relationship.
  • Now they find themselves thrust yet again into an intense triangular relationship: Jimmy the avenger, Sean the truth-seeker and Dave the unfortunate.
  • Resonant triangular relationships evolve between you and your special friend and those below that see you.
1.2(Of a pyramid) having a three-sided base.
Example sentences
  • The bonds between the central nitrogen and the three surrounding hydrogen atoms are pointed at the corners of the base of a triangular pyramid.
  • It is a 2.5 m triangular pyramid with an inscription written in Bulgarian, Greek and Turkish which reads, ‘We stand united on the path to a united Europe’.
  • One of the girls had been to New York before, and fairly expertly navigated us to a tiny gay piano bar set in a tiny triangular building created by the intersection of gridlines.



Pronunciation: /trʌɪaŋɡjʊˈlarɪti/
Example sentences
  • That is to say - to adopt for a moment a Platonic sounding idiom - goodness is partially definitive of Godhood, as youngness is partially definitive of puppyhood and as three-sidedness is partially definitive of triangularity.
  • This paper describes and tests several algorithms for calculating ellipticity, rectangularity, and triangularity shape descriptors.
  • One then could know a priori through the mentally instantiated property the features of triangles, which instantiate triangularity.


Example sentences
  • The tall light fixtures at Elian Gonzalez Square, which define the two long sides of the triangularly shaped plaza, are capped with a design that combines a crocodile tail and a leaf from the red palm, both Cuban national symbols.
  • Soon afterwards, the bizarre, triangularly coiled, inflated Parawocklumeria and Wocklumeria appeared, representing the last burst of clymeniid diversification.
  • Here, he composes his shots triangularly, placing the three characters in varying positions according to their relationships with each other.


Mid 16th century: from late Latin triangularis, from Latin triangulum (see triangle).

Words that rhyme with triangular

angular, quadrangular, rectangular

For editors and proofreaders

Line breaks: tri|angu|lar

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