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soporific

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soporific

Main Entry:: ¹sop·o·rif·ic
Pronunciation:: \-ˈri-fik\
Function:: adjective
Etymology:: probably from French soporifique, from Latin sopor deep sleep; akin to Latin somnus sleep — more at somnolent
Date:: 1665

1 a: causing or tending to cause sleep <soporific drugs> b: tending to dull awareness or alertness2: of, relating to, or marked by sleepiness or lethargy

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