narcotic

nɑːˈkɒtɪk/

noun

1.

an addictive drug affecting mood or behaviour, especially an illegal one.

"cultivation of a plant used to make a popular local narcotic"

adjective

1.

relating to or denoting narcotics or their effects or use.

"the substance has a mild narcotic effect"

synonyms:	soporific, sleep-inducing, opiate, hypnotic;