junk junk adjective informal disapproving
junk email/fax/mail email etc sent to someone who has not requested it, usually to advertise something:
• The system allows the user to receive only filtered messages, a benefit in dealing with junk email.
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junk UK US /dʒʌŋk/ adjective
► FINANCE, STOCK MARKET relating to debt or investment in a company or organization that has a low credit rating (= ability to pay its debt): »
Junk advocates point out that the average junk portfolio lost about 10% of its value in October, a vastly superior performance to equities.
junk level/rating/status »The corporate bond market is heading for its worst year for credit quality after a wave of recent downgrades to junk status.
► COMMUNICATIONS relating to advertising in the form of mail, email, etc. that is sent without your asking for it: »
Junk fax companies are constantly searching for new numbers to call in a process called war dialing.
»junk email/mail/faxes
Financial and business terms. 2012.