circle

/'sə:kl/
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circle

The children sit on the colorful rug in a circle to listen to the story.

Definition
  1. Noun:

    • A perfectly round two-dimensional shape: A closed curve where every point is equidistant from a fixed center point.
    • A group of people with shared interests or connections: An unofficial association or social group.
    • A curved arrangement, often of seats or objects: Something approximating the circular shape, such as a ring of chairs or a tier in a theater.
    • A circular path or movement: The act of moving around or the route itself, such as a traffic circle or a lap around a course.
  2. Verb:

    • To move in a circular path around something: To travel around an object or central point.
    • To form a ring around something: To surround or encircle.
Usage and Examples
  • Noun:

    • She drew a perfect circle on the paper. (Refers to the geometric shape.)
    • He has a wide circle of friends from different countries. (Refers to a social group.)
    • We sat in the front circle of the theater. (Refers to a curved tier of seats.)
    • The plane made a wide circle above the airport before landing. (Refers to a circular flight path.)
  • Verb:

    • The satellite will circle the Earth for several years. (Means to travel around.)
    • The security guards circled the building. (Means to move around or surround.)
Advanced Usage
  • "To come full circle": To return to the original position, situation, or opinion after a long series of events or changes.

    • After trying many different careers, his life came full circle when he returned to teaching.
  • "Vicious circle": A situation in which the solution to one problem creates new problems, leading back to the original issue.

    • Poverty and lack of education can create a vicious circle that is hard to break.
  • "Inner circle": A small, exclusive group of people who are closest to the center of power or influence.

    • Only his inner circle knew about the plan before it was announced.
Variants and Related Words
  • Circular (adj): Having the shape of a circle; round.

    • The table had a circular top.
  • Circulate (verb): To move continuously or freely around a closed system or area; to pass from place to place or person to person.

    • Please circulate this memo to all department heads.
  • Encircle (verb): To form a circle around; surround.

    • The ancient wall encircles the old city.
Synonyms
  • Ring: A circular band, line, or arrangement.
  • Loop: A shape produced by a curve that bends around and crosses itself.
  • Circuit: A roughly circular line, route, or movement that starts and finishes at the same place.
  • Clique: A small, exclusive group of people.
Related Phrasal Verbs
  • Circle back (to): To return to a topic or person later.

    • I don't have the answer now, but I will circle back to you tomorrow.
  • Circle around: To move around something, often cautiously or indirectly.

    • The reporters circled around the celebrity, trying to get a statement.
Related Idioms
  • Run around in circles: To be very busy but achieve very little; to act in a confused or disorganized way.

    • We've been running around in circles trying to find the correct forms.
  • Square the circle: To attempt something that is considered impossible.

    • Trying to please everyone is like trying to square the circle.
circle

The children sit on the colorful rug in a circle to listen to the story.

Noun
  1. any circular or rotating mechanism
    • the machine punched out metal circles
  2. a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
    • they had excellent seats in the dress circle
  3. street names for flunitrazepan
  4. a road junction at which traffic streams circularly around a central island
    • the accident blocked all traffic at the rotary
  5. movement once around a course
    • he drove an extra lap just for insurance
  6. something approximating the shape of a circle
    • the chairs were arranged in a circle
  7. an unofficial association of people or groups
    • the smart set goes there
    • they were an angry lot
  8. ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
    • he calculated the circumference of the circle
Verb
  1. form a circle around
    • encircle the errors
  2. move in circles
  3. travel around something
    • circle the globe