triangular
Americanadjective
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Also: trigonal. of, shaped like, or relating to a triangle; having three corners or sides
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of or involving three participants, pieces, or units
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maths having a base shaped like a triangle
Other Word Forms
- subtriangular adjective
- subtriangularity noun
- triangularity noun
- triangularly adverb
Etymology
Origin of triangular
1535–45; < Latin triangulāris, equivalent to triangul ( um ) triangle + -āris -ar 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They were spared the unease of the Cabo San Lucas couples retreat and sent to Malibu instead due to budgetary restrictions and their lack of triangular tension.
From Salon • Mar. 8, 2026
"The size of the triangular moulin fractures on the surface remains unchanged for several years. Radar images show that although they change over time inside the glacier, they are still detectable years after their formation."
From Science Daily • Jan. 5, 2026
O’Neill resolves the triangular conflict with a combination of religious fervor, metaphoric brooding and scabrous humor.
From Los Angeles Times • Dec. 15, 2025
The FLM 136 drone closely resembles the Shahed-136, with a triangular wingspan measuring just over 8 feet, according to the company’s website.
From The Wall Street Journal • Dec. 3, 2025
Swiftly Milton lifted its triangular green lid and laid the briefcase inside.
From "Middlesex: A Novel" by Jeffrey Eugenides
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.