soporific Hear it!

soporific definition

sopo·rific (säp′ə rif′ik, sō′pə-)

adjective

  1. causing or tending to cause sleep
    also soporiferous sop′o·rif′·er·ous (-rif′ər əs)
  2. of or characterized by sleep or sleepiness

Etymology: Fr soporifique: see sopor & -fic

noun

something, as a drug, that causes sleep

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.