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

Many of the injuries displayed rectangular, band-like and patterned characteristics consistent with impact from a belt-like object, Detective Balders wrote. — Emerson Clarridge, Fort Worth Star-Telegram, 25 June 2026

East, which is open for lunch and dinner in a charming Elizabeth space, offers similar Americana pizzas plus rectangular Roman slices. — Peter St. Onge updated June 24, Charlotte Observer, 24 June 2026

The Adventurer is a classic rectangular design that should appeal to most folks; the Fury is a slightly louder take on it. — New Atlas, 24 June 2026

The Meta Adventurer comes in a rectangular shape, the Meta Fury takes a more Ray-Ban-like square shape, while a special-edition Meta Glasses by Kylie comes in a slim, oval frame designed in collaboration with Kylie Jenner. — Jibin Joseph, PC Magazine, 23 June 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