Definition of Soporific
Soporific: Something such as a drug that causes or induces profound sleep. Tending to cause sleep or to dull the sense of awareness or alertness.
The word "soporific" is derived from "sopor" meaning "deep sleep." The root is "somnus," the Latin for "sleep" (and the name of the Roman god of sleep.)
Last Editorial Review: 6/14/2012
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