The meaning of CIRCULAR is having the form of a circle : round. How to use circular in a sentence.

Define circular. circular synonyms, circular pronunciation, circular translation, English dictionary definition of circular. adj. 1. Of or relating to a circle. 2. a. Shaped like or nearly like a circle; round. b. …

CIRCULAR definition: 1. shaped like a circle: 2. A circular argument is one that keeps returning to the same points and…. Learn more.

Jan 20, 2026 · circular (comparative more circular, superlative most circular) Of or relating to a circle. In the shape of, or moving in a circle. quotations

A circular is an official letter or advertisement that is sent to a large number of people at the same time. The proposal has been widely publicised in information circulars sent to newspapers.

Circular definition: Circuitous; roundabout.

circular, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

having the form of a circle; round: A bright, circular object suddenly appeared in the sky. of or relating to a circle:[usually: before a noun] the circular diameter.

CIRCULAR definition: having the form of a circle; round. See examples of circular used in a sentence.

If something is circular, it has a round shape. You might take a circular route on your jog, running all the way around the park.