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soporific

[ sop-uh-rif-ik, soh-puh- ]
/ ˌsɒp əˈrɪf ɪk, ˌsoʊ pə- /
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adjective

causing or tending to cause sleep.
pertaining to or characterized by sleep or sleepiness; sleepy; drowsy.

noun

something that causes sleep, as a medicine or drug.

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Origin of soporific

1655–65; <Latin soporsopor + -i- + -fic; compare French soporifique

OTHER WORDS FROM soporific

sop·o·rif·i·cal·ly, adverban·ti·sop·o·rif·ic, adjective, nounnon·sop·or·if·ic, adjective, nounun·sop·o·rif·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for soporific

soporific
/ (ˌsɒpəˈrɪfɪk) /

adjective Also: archaic soporiferous

inducing sleep
drowsy; sleepy

noun

a drug or other agent that induces sleep

Derived forms of soporific

soporifically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for soporific

soporific
[ sŏp′ə-rĭfĭk, sō′pə- ]

adj.

Inducing or tending to induce sleep.
Sleepy; drowsy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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