junk e-mail

English Thesaurus

1. unwanted e-mail (usually of a commercial nature sent out in bulk) (noun.communication)

hypernym	:	e-mail, electronic mail, email,
definition	:	(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in (noun.communication)