From Longman Dictionary of Contemporary Englishjunkjunk1 /dʒʌŋk/ ●●● S2 noun 1 [uncountable]USELESS old or unwanted objects that have no use or value This cupboard’s full of junk. ► Do not use junk when you are talking about things such as empty packets, cans, and bottles that are left in a public place. Use litter: Don’t drop litter in the street.2 [uncountable]DF junk food3 [countable]TTW a Chinese sailing boat
Examples from the Corpus
junk• So when the company makes money, its junk soars, in anticipation of the windfall.• They have so much junk in their yard. It makes the neighborhood look awful.• I must clean out this cupboard - it's absolutely full of junk.• Her cupboards were full of junk which she had accumulated over the years.• a pile of old junk• a market stall selling junk and old clothes• a garage filled with junk• Don't fill yourself up with junk, dinner's in an hour.junkjunk2 verb [transitive] USELESSto get rid of something because it is old or useless→ See Verb tableExamples from the Corpus
junk• It would have been too expensive to fix the car, so we junked it.• Closer to home, Rohr has junked its proposed new headquarters building in Chula Vista.• For David Marquand's main mistake is to see the policy review as merely an exercise in junking outmoded policies.• But before you junk that 2-or 3-year-old computer, consider an important alternative: upgrading.• Wally's dad had the contract to clear them out, sort out what could be sold off and junk the rest.From Longman Business Dictionaryjunkjunk adjective informal disapproving junk email/fax/mail email etc sent to someone who has not requested it, usually to advertise somethingThe system allows the user to receive only filtered messages, a benefit in dealing with junk email.Origin junk1 1. (1300-1400) Perhaps from Old French jonc “reed”2. (1500-1600) Portuguese junco, from Javanese jon 