rectangular

1 of 2

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

rectangularity

2 of 2

noun

rect·​an·​gu·​lar·​i·​ty (ˌ)rek-ˌtaŋ-gyə-ˈla-rə-tē 

-ˈler-ə-

plural -es

: the quality or state of being rectangular : rigidity of form

Examples of rectangular in a Sentence

Recent Examples on the Web

Adjective

An open-concept design connects La Perla restaurant, an interior lounge and Tropicado Mojito Bar, where a striking walnut and green-tiled rectangular bar becomes the heart of the action. — Condé Nast, Condé Nast Traveler, 25 Aug. 2026

Flatten the ball into a rectangular shape, place on a baking sheet lined with parchment paper, and chill in the refrigerator for 10 minutes. — ABC News, 18 Aug. 2026

On the back, the Z Fold 8 features an oval camera island, while the 11 Pro Fold has a rectangular module with rounded edges. — Kimberly Gedeon, PC Magazine, 16 Aug. 2026

In Tetris, players try to efficiently pack a rectangular space with pieces that can have seven different shapes. — Jack Murtagh, Scientific American, 15 Aug. 2026

Word History

Etymology

Noun

rectangular + -ity

First Known Use

Adjective

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