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Cancel or cancellation may refer to:



  • Cancel culture, boycott and ostracism calling out offensive behavior on social media or in real life

Technology and science[edit]

  • Cancel leaf, a bibliographic term for replaced leaves in printed books
  • Cancellation property, the mathematical property if a×b = a×c then b = c
  • Loss of significance, cumulative errors incurred when doing calculations with floating-point numbers
  • Noise cancellation, a method for reducing unwanted sound
  • Phase cancellation, the effect of two waves that are out of phase with each other being summed
  • Cancel message, a special message used to remove Usenet articles posted to news servers
  • Cancel character, an indication that transmitted data are in error or are to be disregarded
  • Resolution rule, in propositional logic a valid inference rule that produces a new clause by two clauses containing complementary literals.
  • Cancellable (linguistics), a property of implicatures and presuppositions


People and characters[edit]


  • Cancellation of removal, a form of immigration relief available to aliens in the United States who be otherwise inadmissible or deportable

See also[edit]