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Synonyms

rectangular

American  
[rek-tang-gyuh-ler] / rɛkˈtæŋ gjə lər /

adjective

  1. shaped like a rectangle.

  2. having the base or section in the form of a rectangle.

    a rectangular pyramid.

  3. having one or more right angles.

  4. forming a right angle.


rectangular British  
/ rɛkˈtæŋɡjʊlə /

adjective

  1. shaped like a rectangle

  2. having or relating to right angles

  3. mutually perpendicular

    rectangular coordinates

  4. having a base or section shaped like a rectangle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms


Etymology

Origin of rectangular

1615–25; < Medieval Latin rēctangul ( um ) rectangle + -ar 1


Explanation

In geometry, something that is rectangular had four sides and four right angles. Cereal boxes, dollar bills, and many cell phones have a rectangular shape. Anything shaped like a rectangle is rectangular. Your backyard may be rectangular, and your brother's oversized suit jacket might give his body a somewhat rectangular shape. The most important aspect of something that makes it rectangular is those four right angles, and the word itself is rooted in the Latin rectus, "right," and the Old French angle, "angle."

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Vocabulary lists containing rectangular

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.

See Examples For:

Godin said that the outposts take several months to build and follow a similar rectangular layout.

From The Wall Street Journal ● Oct. 9, 2026

In Kanazawa, workers dressed in full-body overalls haul large blocks of ice across the factory floor, before starting on the delicate work of carving perfect spheres, cubes and rectangular blocks with cut corners.

From Barron's ● Sep. 6, 2026

The rectangular map is based on the projection first described by Scottish cartographer James Gall in 1855.

From BBC ● Sep. 5, 2026

The chain is set to introduce this month a rectangular pie geared toward individual orders.

From The Wall Street Journal ● Aug. 11, 2026

Take a rectangular carpet and place it on top of the stain.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

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