How to Use quadrilateral in a Sentence

quadrilateral

1 of 2 noun
  • The ancient Greeks proved that the only regular polygons that tile are triangles, quadrilaterals and hexagons (as now seen on many a bathroom floor).
    — Quanta Magazine, 11 July 2017
  • However, from that lexicon of foldable quadrilaterals, the researchers could assemble much larger origamis.
    — Adrian Cho, Science | AAAS, 14 Oct. 2019
  • The new 2,700-square-foot space feels like a geometric funhouse — quadrilaterals of wood overhead, an enveloping half-circle over the open kitchen, and the hypotenuse of the bar slanting through the lounge.
    — Tan Vinh, The Seattle Times, 27 Apr. 2017
  • Four bright stars forming a neat quadrilateral, the Great Square of Pegasus anchors the constellation Pegasus, the mythical winged horse.
    — Jamie Carter, Forbes.com, 27 Aug. 2025
  • Our examples above use equilateral triangles (regular triangles), squares (regular quadrilaterals) and regular hexagons.
    — Quanta Magazine, 11 Dec. 2017
  • With Arabists like Eddy and Aramco’s government relations men urging him on, the president would attempt a bolder progression—to turn his tri-faith America into a quadrilateral.
    — Darren Dochuk, The New Republic, 17 July 2019
  • Finally, the scientists created quadrilaterals with different combinations of vertices.
    — Adrian Cho, Science | AAAS, 14 Oct. 2019
  • In the course of trying to prove that certain other kinds of orbit closures don’t exist, the mathematician Alex Wright (who was collaborating with Mirzakhani) stumbled across the first hints of the new quadrilaterals with optimal dynamics.
    — Quanta Magazine, 15 Aug. 2017
  • Complex geometries are deployed to resolve atypical spaces including triangles, circles and quadrilaterals that defy conventional rectangular rooms, or furnishings.
    — Edward Keegan, Chicago Tribune, 11 Jan. 2026
  • This casting also gives more oomph to the musical’s love quadrilateral, which pairs Queenie and Burrs with a B-couple, the rising star Kate (the ever-magnetic Adrienne Warren) and her escort, Black (an exceptionally suave Jelani Alladin), who are here both darker-skinned.
    — Jackson McHenry, Vulture, 19 Mar. 2026

quadrilateral

2 of 2 adjective
  • The new shapes were inspired by my love for quadrilateral shapes and staying true to a really square silhouette that would look great on any faces.
    — Angela Lei, Forbes, 6 May 2021
  • The red-white-and-gold dome is molded with deep quadrilateral reliefs, which converge near its apex around a circular skylight.
    — Brian Blickenstaff, Outside Online, 10 Dec. 2012
  • If a quadrilateral sponge can live in a pineapple under the sea, a squirrel can wonder about the Moon Hoax.
    — Phil Plait, Discover Magazine, 27 Aug. 2011
  • Highlights from the first hundred years of this magazine’s most succinct, quadrilateral humor.
    — The New Yorker, New Yorker, 15 Dec. 2025
  • The four sides of romance make for a thoroughly beguiling quadrilateral love triangle.
    — oregonlive, 30 Oct. 2022
  • The official said the quadrilateral group aims to conduct more joint patrols in the coming months and years and that these patrols will add more capabilities over time.
    — Peter Martin and Ben Westcott / Bloomberg, TIME, 3 May 2024
  • The quadrilateral grouping is one of a number of regional partnerships that Washington has used to push back against China’s assertiveness in Asia.
    — Peter Martin and Ben Westcott / Bloomberg, TIME, 3 May 2024
  • A number of rugs break free of the standard quadrilateral configuration, spilling into free-form shapes that call to mind a Brutalist MC Escher creation.
    — Zoey Poll Kin Woo Rima Suqi Zoey Poll Roxanne Fequiere Gisela Williams, New York Times, 14 Sep. 2023
  • The quadrilateral meeting attended by the foreign ministers of Egypt, Turkey, Saudi Arabia and Pakistan, held in Pakistan’s capital of Islamabad has ended a day earlier and a joint statement is expected.
    — Sophie Tanno, CNN Money, 29 Mar. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'quadrilateral.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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