rectangular

adjective

rect·​an·​gu·​lar rek-ˈtaŋ-gyə-lər How to pronounce rectangular (audio)
Synonyms of rectangularnext
1
: shaped like a rectangle
a rectangular area
2
a
: crossing, lying, or meeting at a right angle
rectangular axes
b
: having edges, surfaces, or faces that meet at right angles : having faces or surfaces shaped like rectangles
rectangular parallelepipeds
a rectangular solid
rectangularity noun
rectangularly adverb

Examples of rectangular in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
How to ignore the rectangular stain on the wall, where an air conditioner unit had been ripped out. Literary Hub, 27 Apr. 2026 The gold ring is composed of a mixed-cut octagonal sapphire which is overlaid with four rectangular-cut and one square-cut rubies. Alex Gurley, PEOPLE, 26 Apr. 2026 While patrons waited in line, employees behind a rectangular hole in the brick wall piled baguettes high with pastrami, salami, garlic aioli and other fixings. Jenna Thompson april 24, Kansas City Star, 24 Apr. 2026 The rear bumper has a cleaner look, as does the front end, which has a simplified version of the previous split-lighting arrangement of daytime running lights above rectangular headlights nestled in coves that also house the intakes for the front-wheel air curtains. Stephen Edelstein, ArsTechnica, 23 Apr. 2026 See All Example Sentences for rectangular

Word History

First Known Use

circa 1560, in the meaning defined at sense 1

Time Traveler
The first known use of rectangular was circa 1560

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Cite this Entry

“Rectangular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rectangular. Accessed 1 May. 2026.

Kids Definition

rectangular

adjective
rect·​an·​gu·​lar rek-ˈtaŋ-gyə-lər How to pronounce rectangular (audio)
1
: shaped like a rectangle
a rectangular building
2
: having edges, faces, or surfaces that meet at right angles : having faces or surfaces shaped like rectangles
a rectangular solid
rectangular blocks

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