Definition of circular in English:


Syllabification: cir·cu·lar
Pronunciation: /ˈsərkyələr
(abbreviation: cir. or circ.)


  • 1Having the form of a circle: the building features a circular atrium
    More example sentences
    • Recent donations include the purchase of picnic tables, a circular seat round the willow tree by the lake, and benches in the park.
    • Surrounding the circle will be a circular grass mound, carpeted in bluebells.
    • The most striking design element of the atrium is the circular stair that turns 180 degrees between floors.
  • 1.1(Of a movement or journey) starting and finishing at the same place and often following roughly the circumference of an imaginary circle: a circular walk
    More example sentences
    • She followed the perpetually circular movement of the revolving doors, stepping out onto Kyanka Street.
    • We explored the mountains on a circular tour, walking every other day to a new camp.
    • For him, the journey of his young adulthood was a futile circular movement.
  • 2 Logic (Of an argument) already containing an assumption of what is to be proved, and therefore fallacious.
    More example sentences
    • This is a classic circular argument, in which the conclusion is already present in the premise.
    • These estimates can be highly biased and produce a circular argument.
    • Such a circular argument, which relies on its own suppositions as proof, can be used to justify anything.
  • 3 [attributive] (Of a letter or advertisement) for distribution to a large number of people.
    More example sentences
    • He sent a circular letter to numerous legal practices in Scotland, asking various questions about the firms' knowledge of him.
    • A circular letter was then sent by post to all past and present serving members.
    • He put the circular letter in the rubbish bin.


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Pronunciation: /ˌsərkyəˈlaritē/
More example sentences
  • Does all of this mean that there is a kind of fatal circularity in neuroscience - that the brain necessarily uses itself to study itself?
  • The conversation was taking on the kind of circularity I've experienced in arguments with religious zealots.
  • Hawa's own life is a series of funny and fantastic escapades, with a marked quality of circularity.


More example sentences
  • The new materials emit nearly perfect circularly polarized light - the kind necessary to create 3D displays and striking color images.
  • Block concludes that consciousness cannot be defined other than circularly, via rough synonyms (‘awareness,’ etc.) or ostensively, through examples.
  • Post-structuralism usually allows no appeal to a reality outside language; it sees every discourse as circularly self-confirming.


late Middle English: from Old French circulier, from late Latin circularis, from Latin circulus 'small ring' (see circle).

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Pronunciation: skəʊʃ
a small amount; a little