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

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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. …

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

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 refers to anything that has the shape of a circle, a round two-dimensional geometric shape. It can also refer to something that moves or happens in a cycle or a way that regularly repeats, or to an …

Feb 6, 2026 · circular (comparative more circular, superlative most circular) Of or relating to a circle. In the shape of, or moving in a circle. quotations

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.