rectangular

adjective

rect·​an·​gu·​lar rek-ˈtaŋ-gyə-lər 

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

(ˌ)rek-ˌtaŋ-gyə-ˈler-ə-tē 

-ˈla-rə-tē

noun

rectangularly

rek-ˈtaŋ-gyə-lər-lē 

adverb

Examples of rectangular in a Sentence

Recent Examples on the Web

It’s lit by rectangular fluorescents. —Literary Hub, 22 Oct. 2025

The marina will feature floating, inflatable cabana areas and a rectangular cutout in the center that creates what is essentially another pool in the sea. —Jeri Clausing, AFAR Media, 21 Oct. 2025

The tree came in a large rectangular shipping box in three unfluffed sections with a metal base, no bag or cover. —Audrey Lee, Architectural Digest, 20 Oct. 2025

Later in the show, the co-anchors met the couple in person on the Plaza marveling at Rachel’s massive rectangular-cut ring. —Rachel McRady, PEOPLE, 17 Oct. 2025

Word History

First Known Use

circa 1560, in the meaning defined at sense 1

Phrases Containing rectangular

• rectangular coordinate

Rhymes for rectangular

• quadrangular
• subangular
• triangular
• angular
• subtriangular

Kids Definition

rectangular

adjective

rect·​an·​gu·​lar rek-ˈtaŋ-gyə-lər 

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