# Cancel

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> Markdown URL: https://mediated.wiki/source/Cancel.md
> Source: https://en.wikipedia.org/wiki/Cancel
> Source revision: 1323778778
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

**Cancel**, **cancellation**, or **cancelled** may refer to:

## Business

- [Project cancellation](/source/Project_cancellation), in government and industry
- [Cancellation (mail)](/source/Cancellation_(mail)), a postal marking applied to a stamp or stationery indicating the item has been used
- [Cancellation (insurance)](/source/Cancellation_(insurance)), the termination of an insurance policy
- [Flight cancellation and delay](/source/Flight_cancellation_and_delay), not operating a scheduled flight

## Sociology

- [Cancel culture](/source/Cancel_culture), boycotting and ostracism calling out offensive behavior on social media or in real life

## Technology and science

- [Cancel leaf](/source/Cancel_leaf), a bibliographic term for replaced leaves in printed books
- [Cancellation property](/source/Cancellation_property), the mathematical property if *a*×*b* = *a*×*c* then *b* = *c* - [Cancelling out](/source/Cancelling_out), a technique for simplifying mathematical expressions
- [Catastrophic cancellation](/source/Catastrophic_cancellation), numerical error arising from subtracting approximations to nearby numbers
- [Noise cancellation](/source/Noise_cancellation), a method for reducing unwanted sound
- [Phase cancellation](/source/Interference_(wave_propagation)), the effect of two waves that are out of phase with each other being summed
- [Cancel message](/source/Cancel_message), a special message used to remove Usenet articles posted to news servers
- [Cancel character](/source/Cancel_character), an indication that transmitted data are in error or are to be disregarded
- [Resolution rule](/source/Resolution_(logic)#Resolution_rule), in propositional logic a valid inference rule that produces a new clause by two clauses containing complementary literals.
- [Cancellable (linguistics)](/source/Cancellable_(linguistics)), a property of implicatures and presuppositions

## Entertainment

- [Cancellation (television)](/source/Cancellation_(television)), the termination of a television series
- ["Cancelled" (*South Park*)](/source/Cancelled_(South_Park)), a 2003 episode of the TV series *South Park*
- [Cancelled (Shameless)](/source/Cancelled_(Shameless)), an episode of the American TV series Shameless
- ["Canceled" (*Nikita*)](/source/Canceled_(Nikita)), a 2013 episode of *Nikita*
- ["Canceled" (song)](/source/Canceled_(song)), a 2020 song by Larray
- [*Cancelled* (EP)](/source/Cancelled_(EP)), a 2024 EP by Mötley Crüe
- [Canceled (film)](/source/Canceled_(film)), a Swedish horror film
- "[Cancelled!](/source/Cancelled!)", a song by Taylor Swift from the 2025 album *The Life of a Showgirl*

## People and characters

- [Robinson Cancel](/source/Robinson_Cancel) (born 1976), baseball catcher
- [Rafael Cancel Miranda](/source/Rafael_Cancel_Miranda) (born 1930), political activist
- An alternate name for the archangel [Camael](/source/Camael)

## Government

- [Cancellation of removal](/source/Cancellation_of_removal), a form of immigration relief available to aliens in the United States who be otherwise inadmissible or deportable
- Cancellation of [nationality](/source/Nationality)

## See also

- [Mitigation](/source/Mitigation)
- [Nullification (disambiguation)](/source/Nullification_(disambiguation))

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Adapted from the Wikipedia article [Cancel](https://en.wikipedia.org/wiki/Cancel) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Cancel?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.