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

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

Define circular. circular synonyms, circular pronunciation, circular translation, English dictionary definition of circular. adj. 1. Of or relating to a circle.

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.

Dec 11, 2025 · circular (comparative more circular, superlative most circular) Of or relating to a circle. In the shape of, or moving in a circle. quotations

Circular definition: Circuitous; roundabout.

moving in or forming a circle or a circuit: the circular rotation of the earth. moving or occurring in a cycle or round: the circular succession of the seasons.

The circular arc is said to subtend the angle, known as the central angle, at the centre of the circle. One radian is the measure of the central angle subtended by a circular arc whose …

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

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