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 alertness
2 : of, relating to, or marked by sleepiness or lethargy