circular

If something is circular, it has a round shape. You might take a circular route on your jog, running all the way around the park.

You can build a circular fence around your garden, or pipe frosting flowers in a circular design on top of a birthday cake. Look at either from above, and they form circles. In logic, a circular argument is one that ends up exactly where it started — you assume something, rather than proving it. A paper advertisement can also be called a circular, from the idea that it's distributed to a certain circle, or group, of people.

Definitions of circular
  1. adjective
    having a circular shape
    synonyms: round
    apple-shaped
    having the general shape of an apple
    ball-shaped, global, globose, globular, orbicular, spheric, spherical
    having the shape of a sphere or ball
    barrel-shaped
    having the general shape of a barrel
    bulb-shaped, bulblike, bulbous
    shaped like a bulb
    capitate
    being abruptly enlarged and globose at the tip
    coccoid
    spherical; like a coccus
    cumuliform
    shaped like a cumulus cloud
    disc-shaped, disclike, discoid, discoidal, disk-shaped, disklike
    having a flat circular shape
    goblet-shaped
    resembling the shape of a goblet
    moon-round, moonlike
    resembling the moon in shape
    nutlike
    resembling a nut in shape and size
    pancake-like
    resembling a pancake in shape
    pear-shaped
    having a round shape tapered at one end
    pinwheel-shaped
    having the round shape of a pinwheel
    ringlike
    having the shape of a ring
    roundish
    somewhat round in appearance or form
    wheel-like
    round like a wheel
    rounded
    curving and somewhat round in shape rather than jagged
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    Antonyms:
    square
    having four equal sides and four right angles or forming a right angle
    quadrate
    having four sides and four angles
    right-angled
    forming a right angle or containing one or more right angles
    squared
    having been made square
    squarish
    somewhat square in appearance or form
    angular, angulate
    having angles or an angular shape
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  2. adjective
    describing a circle; moving in a circle
    “the circular motion of the wheel”
    synonyms: orbitual, rotary
    cyclic, cyclical
    recurring in cycles
  3. noun
    an advertisement (usually printed on a page or in a leaflet) intended for wide distribution
    “he mailed the circular to all subscribers”
    synonyms: bill, broadsheet, broadside, flier, flyer, handbill, throwaway
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    types:
    stuffer
    an advertising circular that is enclosed with other material and (usually) sent by mail
    type of:
    ad, advert, advertisement, advertising, advertizement, advertizing
    a public promotion of some product or service
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