junkˈie or junkˈy noun (informal)

1. A narcotics addict (also (obsolete US) junkˈer)
2. (loosely) someone hooked on something, an addict (usu in combination, as in art junkie, coffee junkie)

junkˈiness noun

junkˈy adjective

1. Rubbishy
2. Worthless

junk bond noun

A bond offering a high yield but with high risk

junkˈ-bottle noun (US)

A thick strong bottle of green or black glass

junkˈ-dealer or junkˈman noun

A dealer in junk

junk food noun

Food of little nutritional value, usu easily available and quick to prepare

junk jewellery noun

Fun jewellery, of little value but often quite showy

junk mail noun

Unsolicited mail such as advertising circulars, etc

junkˈ-ring noun

A metal ring confining the packing of a piston

junk shop noun

A shop where assorted second-hand bric-à-brac is sold

junkˈyard noun

A yard in which junk is stored or collected for sale