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

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