Circular may refer to:

  • The shape of a circle
    • Circular reasoning, a type of logical fallacy
    • Circular reference
  • Circular letter (disambiguation)
    • Flyer (pamphlet), a form of advertisement
  • Circular Letter (Interlingua), an early Interlingua newsletter published from 1954 to 1965, when it was expanded and renamed Lingua e Vita
  • Circular (album), the second studio album by Spanish singer Vega
  • Circular (application), a buffer application for Twitter

"If we crave some cosmic purpose, then let us find ourselves a worthy goal."
Carl Sagan
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