Junky (adjective)

1. Of poor or low quality; worthless; inferior.
2. Addicted to drugs, specifically heroin.

Origin:

Junky is a slang term that comes from the noun "junk" which refers to old or discarded items, it"s believed that the term first appeared in the early 20th century. the word can also be used as a noun to describe a person addicted to drugs.

Examples:

1. The car was a junky old rust bucket that barely ran.
2. The apartment was filled with junky furniture and broken appliances.
3. She was a junky, addicted to heroin and unable to quit.
4. The junky neighborhood was known for its high crime rates and dilapidated buildings.
5. He was a junky, always looking for his next fix and unable to hold down a job.