triangular
adjective
tri·an·gu·lar
trī-ˈaŋ-gyə-lər 
1
a
: of, relating to, or having the form of a triangle
a triangular plot of land
b
: having a triangular base or principal surface
a triangular table
a triangular pyramid
2
a(1)
: of, relating to, or involving three elements
a triangular agreement
(2)
of a military group
: based primarily on three units
b
: of or relating to a love triangle
Examples of triangular in a Sentence
Recent Examples on the Web
Hoops can range from tiny huggies to bold statement pieces and come in a variety of shapes—oval, square, triangular, and beyond.
—
Lauren Alexis Fisher, Footwear News, 7 Aug. 2025
The portico appears to be a shallower version of the original by James Hoban — the one with the triangular pediment on the house’s north side, not the rounded one on the south.
—Christopher Bonanos, Curbed, 1 Aug. 2025
Here, the single largest piece of Earth’s crust, called the Pacific Plate, is sinking beneath the Okhotsk Plate: a smaller, vaguely triangular shard of continental crust wedged between the Pacific, Eurasian, and North American Plates.
—Kiona N. Smith, Forbes.com, 30 July 2025
Original price: $6.29 The Paper Mate mechanical pencil set features an ergonomic triangular barrel that helps young writers with proper grip and comfort.
—Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 30 July 2025
See All Example Sentences for triangular
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Lauren Alexis Fisher, Footwear News, 7 Aug. 2025
The portico appears to be a shallower version of the original by James Hoban — the one with the triangular pediment on the house’s north side, not the rounded one on the south.
—Christopher Bonanos, Curbed, 1 Aug. 2025
Here, the single largest piece of Earth’s crust, called the Pacific Plate, is sinking beneath the Okhotsk Plate: a smaller, vaguely triangular shard of continental crust wedged between the Pacific, Eurasian, and North American Plates.
—Kiona N. Smith, Forbes.com, 30 July 2025
Original price: $6.29 The Paper Mate mechanical pencil set features an ergonomic triangular barrel that helps young writers with proper grip and comfort.
—Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 30 July 2025
See All Example Sentences for triangular
Cite this Entry
“Triangular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triangular. Accessed 14 Aug. 2025.
Copy CitationKids Definition
triangular
adjective
tri·an·gu·lar
trī-ˈaŋ-gyə-lər
1
: of, relating to, or having the form of a triangle
2
: having a triangular base or principal surface
a triangular pyramid
Medical Definition
triangular
noun
tri·an·gu·lar
trī-ˈaŋ-gyə-lər
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