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. 2. a. Shaped like or nearly like a circle; round. b. …

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.

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

Circular definition: Circuitous; roundabout.

moving in or forming a circle or a circuit: a circular path. Philosophy attempting to prove a conclusion by using a statement that depends on the conclusion: a circular argument.