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

The backyard features an outdoor kitchen, a fire pit lounge area, a bocce ball court, and a rectangular pool with a spa. —India Roby, Architectural Digest, 28 Oct. 2025

Johnson wore her trademark bangs and her brunette hair long and straight, accessorizing with simple drop earrings and a rectangular, black Valentino clutch bag. —Anna Cafolla, Vogue, 27 Oct. 2025

The rectangular homes often contained courtyards or fronting gardens; window boxes hung below wood-frame windows. —JSTOR Daily, 25 Oct. 2025

But just outside the grounds, Chase Sapphire, the feisty up-and-comer in the world of rectangular plastic, had rented a stately home for its customers. —Alyson Krueger, Air Mail, 25 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