narcotic

1. (pharmacology) Any substance or drug that reduces pain, induces sleep and may alter mood or behaviour; in some contexts, especially in reference to the opiates-and-opioids class, especially in reference to illegal drugs, and often both.Examples: ""Real San Juan Colorado," he said. "Excitable people like you are the better for narcotics. Heavens! don't bite it! Cut - and cut with reverence!""; "In 2016, the CDC established guidelines for prescribing narcotics for chronic pain."; "The State Department has given Ecuador $81 million since 2018 to help the country with its fight against organized crime and narcotics."