Cancel may refer to:
Cancellation (mail), in mail, a postal marking applied to a stamp or stationery indicating that the item has been used
Cancellation (television), the termination of a television series
Cancel message, in Usenet, a special message used to remove articles posted to news server
Cancel character, in telecommunication, an indication that the data with which it is associated are in error or are to be disregarded
Cancellation property, the property that if a * b = a * c then b = c
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
Cancellation of removal, a form of immigration relief available to aliens in the United States who be otherwise inadmissible or deportable.
Loss of significance when doing calculations with floating point numbers.
"Cancelled" (South Park) an episode of South Park.
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CANCELLAZIONE. CANCELLAMENTO. CANCELLATURA. SEGNO DI CANCELLATURA. ANNULLAMENTO. ABROGAZIONE. SOPPRESSIONE. SOSPENSIONE. RISOLUZIONE. REVOCA. RESCISSIONE. RINUNCIA [TURISMO]. ANNULLO [FRANCOBOLLI]