(slang, derogatory) A narcotics addict, especially a heroin user. / (slang, by extension) An enthusiast of something.

plural of junkie / plural of junky

(rare) the state of being a junkie

Resembling or characteristic of junk; cheap, worthless, or of low quality. / Full of junk.

(slang, derogatory) Alternative spelling of junkie

The state of being junky.

(informal) One who is seemingly addicted to the sensation of exhilaration associated with risky behaviors or exciting situations, and who actively seeks such opportunities.

plural of adrenaline junkie

(slang) A cat that has developed a strong preference for tuna and may refuse to eat anything else.

plural of tuna junkie