Junk

n. material which has been thrown out or discarded, trash, refuse, something which is useless or worthless; heroin or other narcotic (Slang)

v. throw out, get rid of, trash

n. flat-bottomed Chinese sailing ship with square sails

"Junk" may refer to:ThingsScrap, metallic waste, or waste in general (American Usage)Junk DNA, DNA without a known function for the organismJunk (ship), sailing vessel of Chinese originHard drugs, especially heroinJunk mail, unwanted postal mail, typically from direct marketing operationsJunk mail, unwanted electronic mail, also called spamJunk bond (finance), a bond rated 'BB' or lower because of its high default risk. Also known as a "high-yield bond", or "speculative bond". Slang for PenisMath HomeworkTitles or namesJunk (novel), by Christopher LargenJunk (Transformers), fictional planet in the Transformers universeJunk (novel), by Melvin BurgessJunk (band), a british pop band"Junk", a song written by Paul McCartneyJunk, the working title for the Burroughs novel JunkieA nickname of the character Suigintou of the Japanese manga and anime Rozen Maiden, analagous to Desu for Suiseiseki.
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Noun
1. the remains of something that has been destroyed or broken up
(synonym) debris, dust, rubble, detritus
(hypernym) rubbish, trash, scrap
(hyponym) slack
(derivation) trash, scrap
2. any of various Chinese boats with a high poop and lugsails
(hypernym) boat
(part-meronym) lugsail, lug
Verb
1. dispose of (something useless or old); "trash these old chairs"; "junk an old car"; "scrap your old computer"
(synonym) trash, scrap
(hypernym) discard, fling, toss, toss out, toss away, chuck out, cast aside, dispose, throw out, cast out, throw away, cast away, put away
(derivation) debris, dust, rubble, detritus

(n.)
Pieces of old cable or old cordage, used for making gaskets, mats, swabs, etc., and when picked to pieces, forming oakum for filling the seams of ships.
  

(n.)
Old iron, or other metal, glass, paper, etc., bought and sold by junk dealers.
  

(n.)
Hard salted beef supplied to ships.
  

(n.)
A large vessel, without keel or prominent stem, and with huge masts in one piece, used by the Chinese, Japanese, Siamese, Malays, etc., in navigating their waters.
  

(n.)
A fragment of any solid substance; a thick piece. See Chunk.
  

Shoddy, worthless, or only superficially appealing or useful.