Dictionary.com
definitions
  • synonyms

hard drug

See more synonyms for hard drug on Thesaurus.com
noun Pharmacology.
  1. an addicting drug capable of producing severe physical or psychological dependence, as heroin.
Show More

Origin of hard drug

An Americanism dating back to 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018