Junkie (noun)

A person addicted to drugs, particularly heroin.

Origin:

Slang term that originates from the word "junk" meaning drug.

Examples:

1. He became a junkie after getting hooked on heroin.
2. She was a junkie and needed her daily fix to function.
3. The junkies gathered on the street corner to buy drugs.
4. The junkie's life was consumed by his addiction.
5. The term junkie is considered derogatory and dehumanizing.