adj. 1. a. Of or relating to hypnosis. b. Of or relating to hypnotism. 2. Inducing or tending to induce sleep; soporific: read the bedtime story in a hypnotic voice. n. 1. a. A person who is hypnotized. b. A person who can be hypnotized. 2. An agent that causes sleep; a soporific. [French hypnotique, from Late Latin hypnōticus, inducing sleep, from Greek hupnōtikos, from hupnoun, to put to sleep, from hupnos, sleep; see swep- in the Appendix of Indo-European roots.] hyp·noti·cal·ly adv. |
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