circular Definition in the Cambridge English Dictionary
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Definition of “circular” - English Dictionary

Definition of "circular" - American English Dictionary

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circularadjective

 us   /ˈsɜr·kjə·lər/

circular adjective (ROUND)

in the ​shape of a ​circle; round: One man ​built a circular ​barn for his ​cows. The circular ​area is used for ​parking. A circular ​argument or ​discussion is one which ​keepsreturning to the same ​points and does not ​advance to any new ​points or to ​agreement.

circularnoun [C]

 us   /ˈsɜr·kjə·lər/

circular noun [C] (PRINTED PAPER)

a ​letter or ​notice given to a ​largenumber of ​people: The ​discountchainadvertisessales with circulars.
(Definition of circular from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "circular" - British English Dictionary

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circularadjective

uk   /ˈsɜː.kjə.lər/  us   /ˈsɝː.kjə.lɚ/
B2 shaped like a ​circle: a circular flowerbed/​tableclothC2 A circular ​argument is one that ​keepsreturning to the same ​points and is not ​effective.
circularity
noun [U] uk   /ˌsɜː.kjʊˈlær.ɪ.ti/  us   /ˌsɝː.kjʊˈler.ɪ.t̬i/
the circularity of ​politicalarguments

circularnoun [C]

uk   /ˈsɜː.kjʊ.lər/  us   /ˈsɝː.kjʊ.lɚ/
a ​letter or ​noticesent to a ​largenumber of ​people: Circulars and other ​junkmail go ​straight in the ​bin.
(Definition of circular from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "circular" - Business English Dictionary

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circularnoun [C]

uk   us   /ˈsɜːkjələr/ COMMUNICATIONS
a ​printed announcement, ​advertisement, or ​letter that is ​sent to many ​people at the same ​time: Details of the ​payout will be contained in a circular to be ​sent to ​shareholders next month.
circular
adjective [before noun]
The ​agencyissued a circular ​letteroutlining the industry-sponsored ​inspectionprogram.
(Definition of circular from the Cambridge Business English Dictionary © Cambridge University Press)
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