1. Tranquillisant.
2. Narcotique.
ETYM Greek, inclined to sleep, putting to sleep, from hypnos sleep; akin to Latin somnus, and Eng. somnolent: cf. French hypnotique.
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Any substance (such as barbiturate, benzodiazepine, alcohol) that depresses brain function, inducing sleep. Prolonged use may lead to physical or psychological addiction.
Attracting and holding interest as if by a spell; SYN. mesmeric, mesmerizing, spellbinding.