1. Cheap and inferior; of no value
   "junky newspapers that form almost the sole reading of the majority";
   - rubbishy, trashy, schlocky [informal]

1. A narcotics addict
   "The rehabilitation centre offered support programs for junkies seeking recovery";
   - drug addict, junkie [informal], druggy [informal], hophead [N. Amer, informal], druggie [informal], narcotist
    
2. Someone who is so ardently devoted to something that it resembles an addiction
   "He was a real computer junky, spending every free moment coding";
   - addict, nut [informal], freak, junkie [informal]

Derived forms: junkiest, junkier

See also: drossy [informal], worthless

Type of: addict, enthusiast, partisan, partizan [rare]

Encyclopedia: Junky