- verb to ask not to receive something any longer
- verb to cancel a subscription to or registration with something, especially an email mailing list
- To cancel a given service which had been signed-up for, such as CATV.
- To cancel the authorization previously given to an entity to send information. For example, to cancel a subscription to a mailing list.
- verb to end a subscription to or registration with something, especially an e-mail mailing list