(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.

Of, or relating to narcotics. / (pharmacology) Inducing sleep; causing narcosis.

plural of narcotic

Alternative form of narcotic; Pertaining to narcotic drugs. / (law enforcement, law, politics) Pertaining to illicit drugs, especially psychoactive ones.

In a narcotic manner. / By means of narcotics

narcotic

(uncountable) the state of being narcotized; narcosis / (countable) the act of narcotizing someone or something

(transitive) To use a narcotic in order to make (someone) drowsy or insensible; to anesthetize, to drug. / (transitive) To dull the senses of (a person, place etc.).

A narcotic effect; the tendency to cause narcosis. / Addiction to a narcotic drug.

plural of narcotism