circular

cir·cu·lar
C3I1R1C3U1L1A1R1
Australia, UK/ˈsɜː.kjə.lə/US/ˈsɜɹ.kjə.ləɹ/Scotland/ˈsɪɾ.kjə.ləɾ/

adjective

Of or relating to a circle.

“circular reasoning”

CommonScrabble 12

Meanings

adjectivecircular (comparative more circular, superlative most circular)

comparative more circular · superlative most circular

  1. Of or relating to a circle.
  2. In the shape of, or moving in, a circle.

    Near-synonyms: oval; round; toroid, ringlike, round-like

    1 more example

    Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands.

    1918, W[illiam] B[abington] Maxwell, chapter V, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC

    Synonyms: annular, ring-shaped, O-shaped, oval, round, toroid, ringlike, round-like

  3. Referring back to itself, so as to prevent computation or comprehension; infinitely recursive.

    circular reasoning

    3 more examples

    Your dictionary defines "brave" as "courageous", and "courageous" as "brave". That's a circular definition.

    a circular formula in a spreadsheet

    It must be conceded that this definition (the definition of tort) is somewhat circular, but it is the only one that will suffice.

    2019, Paulia Giliker, chapter 1, in Tort, Eighth edition, Thompson Reuters, →ISBN, What is tort? (section 1-002), page 2
  4. Distributed to a large number of persons.

    a proclamation of Henry III., […] doubtless circular throughout England

    1827, Henry Hallam, The Constitutional History of England from the Accession of Henry VII. to the Death of George II. […], volume (please specify |volume=I or II), London: John Murray, […], →OCLC
  5. obsoletePerfect; complete.

    A man so absolute and circular / In all those wished-for rarities that may take / A virgin captive.

    1632, Philip Massinger, Maid of Honour, act I, scene 2
  6. archaicAdhering to a fixed circle of legends; cyclic; hence, mean; inferior.

    February 1, 1711, John Dennis, on the Genius and Writings of Shakespeare Had Virgil been a circular poet, and closely adhered to history, how could the Romans have had Dido?

nouncircular (plural circulars)

plural circulars

  1. An advertisement, directive or notice intended for mass circulation.

    Near-synonym: flyer (advertisement)

    1 more example

    The pigeon-hole was also stuffed with circulars and hand-bills.

    1991 September, Stephen Fry, chapter 2, in The Liar, London: Heinemann, →ISBN, section I, page 40

    Synonyms: flyer

  2. abbreviationellipsisEllipsis of circular letter.
  3. abbreviationellipsisEllipsis of circular file.
verbcircular (third-person singular simple present circulars, present participle circularing, simple past and past participle circulared)

present singular third person circulars · participle present circularing · participle past circulared · past circulared

  1. To distribute circulars to or at.

    It is true, that, to obtain these, some six hundred or more institutions were circulared, and a good many of these a second time.

    1873, Old and new - Volume 8, page 101
    3 more examples

    The result of the sending of these notices confirms me in the opinion, that it will be necessary to adopt legal means with the great majority of these parties. The circulars have had little effect. In fact, the parties have been “circulared" into the notion that nothing more formidable will ever be sent to them.

    1851, G. W. Muir, Report on the State of Engine and Other Furnaces, page 19

    I do not mean to say we have never employed some of them who come to us—but we have never circulared agents or gone after them.

    1909, American Life Convention, Report of the Proceedings of the Annual Meeting of the American Life Convention, page 42

    If you've ever been circulared by drug repackaging houses, you know they usually offer to trade a selection of office supplies for your unused drug samples.

    1962, Harrie Sheridan Baketel, Medical Economics - Volume 39, page 141
  2. To extend in a circular direction.

    The theme can be expressed in an architectural analogy. For, of all contriving to encover space, the arch — alone or 'circulared' into the dome — is the most ingenious.

    2008, Donald E. Wagner, Kenneth Cragg, Dying in the Land of Promise, page 116

Synonyms & antonyms

adjectiveIn the shape of, or moving in, a circle.

nounAn advertisement, directive or notice intended for mass circulation.

Similar
Broader

More synonyms by meaning

adjectivehaving the shape or form of a circle

adjectivedescribing a circle; moving in a circle

nounan advertisement (usually printed on a page or in a leaflet) intended for wide distribution

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latincirculus
  2. Late Latincircularis
  3. Old Frenchcirculier
  4. Middle Englishcirculer
  5. Englishcircular

From Middle English circuler, circuleer, circulere, from Old French circulier (French circulaire), from Late Latin circularis, from Latin circulus, diminutive of circus (“ring”). By surface analysis, circle + -ar.

Full word history & related roots →

Translations

Ancient Greek κυκλικός, κυκλικός
  • κυκλικός (kuklikós)of or relating to a circle
  • κυκλικός (kuklikós)in the shape of, or moving in a circle
Arabic دَائِرِيّ, دَائِرِيّ
  • دَائِرِيّ (dāʔiriyy)of or relating to a circle
  • دَائِرِيّ (dāʔiriyy)in the shape of, or moving in a circle
Bengali বৃত্তাকার, গোলাকার
  • বৃত্তাকার (brittakar)of or relating to a circle
  • গোলাকার (gōlakar)of or relating to a circle
Bulgarian кръго́в, кръ́гъл
  • кръго́в (krăgóv)of or relating to a circle
  • кръ́гъл (krắgăl)in the shape of, or moving in a circle
  • обиколен (obikolen)circuitous or roundabout — see also circuitous, roundabout
  • циркуля́рен (cirkuljáren)distributed to a large number of persons
Catalan circular, circular
  • circularof or relating to a circle
  • circularin the shape of, or moving in a circle
Chinese Mandarin 圓 /圆, 通函
  • 圓 /圆 (yuán)in the shape of, or moving in a circle
  • 通函 (tōnghán)advertisement, directive or notice intended for mass circulation
Czech kulatý
  • kulatýin the shape of, or moving in a circle
Danish rund, cirkulær
  • rundin the shape of, or moving in a circle
  • cirkulærin the shape of, or moving in a circle
Dutch rond
  • rondin the shape of, or moving in a circle
Esperanto cirkla
  • cirklaof or relating to a circle
Finnish ympyrä-, ympyrän muotoinen
  • ympyrä-of or relating to a circle
  • ympyrän muotoinenin the shape of, or moving in a circle
  • pyöreäin the shape of, or moving in a circle
  • pyöriväin the shape of, or moving in a circle
  • kierto-circuitous or roundabout — see also circuitous, roundabout
  • kierteleväcircuitous or roundabout — see also circuitous, roundabout
  • epäsuoracircuitous or roundabout — see also circuitous, roundabout
  • kehämäinenreferring back to itself — see also circular definition
  • kehä-referring back to itself — see also circular definition
  • laajalevikkinendistributed to a large number of persons
French circulaire, rond
  • circulaireof or relating to a circle
  • rondin the shape of, or moving in a circle
  • circulaireadvertisement, directive or notice intended for mass circulation
German Kreis-, rund
  • Kreis-of or relating to a circle
  • rundin the shape of, or moving in a circle
  • Kreis-in the shape of, or moving in a circle
  • kreisartigin the shape of, or moving in a circle
  • kreisförmigin the shape of, or moving in a circle
  • kreisendin the shape of, or moving in a circle
  • zirkelhaftreferring back to itself — see also circular definition
Greek κυκλικός, κυκλικός
  • κυκλικός (kyklikós)of or relating to a circle
  • κυκλικός (kyklikós)in the shape of, or moving in a circle
  • περιστροφικός (peristrofikós)circuitous or roundabout — see also circuitous, roundabout
  • εγκύκλιος (egkýklios)distributed to a large number of persons
Hindi वलयाकार, गोलाकार
  • वलयाकार (valyākār)of or relating to a circle
  • गोलाकार (golākār)of or relating to a circle
  • वृत्तीय (vŕttīya)in the shape of, or moving in a circle
  • वर्तुल (vartul)in the shape of, or moving in a circle
  • गोल (gol)in the shape of, or moving in a circle
  • वृत्ताकार (vŕttākār)in the shape of, or moving in a circle
  • विज्ञप्ति (vijñapti)advertisement, directive or notice intended for mass circulation
Hungarian körkörös
  • körkörösin the shape of, or moving in a circle
Indonesian bundar
  • bundarin the shape of, or moving in a circle
Irish ciorclach
  • ciorclachin the shape of, or moving in a circle
Italian circolare, circolare
  • circolareof or relating to a circle
  • circolarein the shape of, or moving in a circle
Japanese 丸い
  • 丸い (marui)in the shape of, or moving in a circle
Māori porohita, porowhita
  • porohitaof or relating to a circle
  • porowhitaof or relating to a circle
Persian دایره
  • دایرهin the shape of, or moving in a circle
Polish okrągły
  • okrągłyin the shape of, or moving in a circle
Portuguese circular, circular
  • circularof or relating to a circle
  • circularin the shape of, or moving in a circle
  • redondoin the shape of, or moving in a circle
  • arredondadoin the shape of, or moving in a circle
  • circularcircuitous or roundabout — see also circuitous, roundabout
Romanian circular, de cerc
  • circularof or relating to a circle
  • de cercof or relating to a circle
  • circularin the shape of, or moving in a circle
Russian кругово́й, кру́глый
  • кругово́й (krugovój)of or relating to a circle
  • кру́глый (krúglyj)in the shape of, or moving in a circle
  • окру́глый (okrúglyj)in the shape of, or moving in a circle
  • око́льный (okólʹnyj)circuitous or roundabout — see also circuitous, roundabout
  • кружно́й (kružnój)circuitous or roundabout — see also circuitous, roundabout
  • окружно́й (okružnój)circuitous or roundabout — see also circuitous, roundabout
  • циркуля́рный (cirkuljárnyj)distributed to a large number of persons
  • циркуля́р (cirkuljár)advertisement, directive or notice intended for mass circulation
Scottish Gaelic cearcaill, cearclach
  • cearcaillof or relating to a circle
  • cearclachin the shape of, or moving in a circle
Spanish circular, circular
  • circularof or relating to a circle
  • circularin the shape of, or moving in a circle
Swedish cirkulär, compounds with cirkel c or ring
  • cirkulärof or relating to a circle
  • compounds with cirkel c or ringof or relating to a circle
  • rundin the shape of, or moving in a circle
  • cirkulärin the shape of, or moving in a circle
  • cirkelformadin the shape of, or moving in a circle
  • ringformadin the shape of, or moving in a circle
Turkish dairesel
  • daireselof or relating to a circle
Ukrainian кругови́й, кру́глий
  • кругови́й (kruhovýj)of or relating to a circle
  • кру́глий (krúhlyj)in the shape of, or moving in a circle
  • циркуля́р (cyrkuljár)advertisement, directive or notice intended for mass circulation
Urdu گَشْتی
  • گَشْتی (gaśtī)advertisement, directive or notice intended for mass circulation
Cite this entry
APA

circular. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/circular

MLA

“circular.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/circular. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “circular,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/circular.

Source: circular on Wiktionary, CC BY-SA 4.0.