junk e-mail

Thesaurus

Noun

1.junk e-mail - unwanted e-mail (usually of a commercial nature sent out in bulk)spamelectronic mail, email, e-mail - (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; "you cannot send packages by electronic mail"