junky

adjective, junk·i·er, junk·i·est.

1. of the nature of junk; trashy.

noun, plural junk·ies.

1. junkie.

noun Informal.

1. a drug addict, especially one addicted to heroin.
2. a person with an insatiable craving for something: a chocolate junkie.
3. an enthusiastic follower; fan; devotee: a baseball junkie.

noun plural junkies

1. an informal word for a drug addict, esp one who injects heroin into himself

adj.

“run-down, seedy, trashy,” 1876, from junk (n.1) + -y (2).

n.

“drug addict,” 1923, from junk (n.1) in the narcotics sense + -y (3). Junker in the same sense is recorded from 1922. Junk for “narcotic” is older.