- Originally, any drug derived from opium or opiumlike compounds with potent analgesic effects associated with both significant alteration of mood and behavior and with potential for dependence and tolerance.
- More recently, any drug, synthetic or naturally occurring, with effects similar to those of opium and opium derivatives, including meperidine, fentanyl, and their derivatives.
- Capable of inducing a state of stuporous analgesia.
[G. narkotikos, benumbing]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.