agent noun of cancel: Something that, or someone who cancels something; specifically an electronic device that cancels a signal.

plural of canceler

The act, process, or result of cancelling; as, the cancellation of certain words in a contract, or of the contract itself.

(transitive) To cross out something with lines etc. / (transitive) To invalidate or annul something. / (transitive) To mark something (such as a used postage stamp) so that it can't be reused.

A cancellation (US); (nonstandard in some kinds of English). / A control message posted to Usenet that serves to cancel a previously posted message. / (obsolete) An enclosure; a boundary; a limit.

simple past tense and past participle of cancel

No longer planned or scheduled. / (of a mail item) Marked over the stamp, to show that the stamp has been used.

simple past tense and past participle of cancel

US standard spelling of cancelled.

present participle of cancel