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.
Transfer mixture to a greased 3-quart rectangular baking dish. Sarah Martens, Better Homes & Gardens, 17 Feb. 2026 Wilcox had baked five types of bread in long and round and rectangular shapes. Bill Addison, Los Angeles Times, 14 Feb. 2026 Accessories include narrow, rectangular sunglasses with brown frames and a small gold necklace. Alex Sales, Glamour, 14 Feb. 2026 Johnson, the American skier, said a small rectangular piece — that was supposed to hold the medal and ribbon together — came apart, making her medal unwearable. Juliana Kim, NPR, 12 Feb. 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 22 Feb. 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

More from Merriam-Webster on rectangular

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