A sequence of characters, different from a password, that is used as identification and is required when logging on to a multiuser computer system, LAN, bulletin board system, or online service, computing A person's identification on an individual computer system
One that uses, One who uses a computer, computer program, or online service, computing A person who uses a computer or a computing network, especially a person who has received a user account
To cancel a subscription, especially to an online publication, service, or mailing list, To cancel the subscription of (a subscriber), verb_ to cancel a subscription, especially to an online service
connected to a computer network or accessible by computer, connected to a computer network or accessible by computer, Available over the Internet, adverb_ Describes actions performed over the Internet