Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun junky

2 senses of junky

Sense 1
drug addict, junkie, junky -- (a narcotics addict)
       => addict -- (someone who is physiologically dependent on a substance; abrupt deprivation of the substance produces withdrawal symptoms)

Sense 2
addict, nut, freak, junkie, junky -- (someone who is so ardently devoted to something that it resembles an addiction; "a golf addict"; "a car nut"; "a bodybuilding freak"; "a news junkie")
       => enthusiast, partisan, partizan -- (an ardent and enthusiastic supporter of some person or activity)