hypnotic

Universal Words adjective, noun adjective 1 making you feel as if you are going to fall asleep, especially because of a regular, repeated noise or movement: hypnotic music * His voice had an almost hypnotic effect. 2 [onlybeforenoun] connected with or produced by hypnosis: a hypnotic trance / state 3 (of a drug) making you sleep noun (technical) a drug that makes you sleep; a SLEEPINGPILL