Dictionary.com
definitions
  • synonyms

somnific

[som-nif-ik, suh m-]
See more synonyms on Thesaurus.com
adjective
  1. causing sleep; soporific; somniferous.
Show More

Origin of somnific

1715–25; < Latin somnificus causing sleep, equivalent to somni-, combining form of somnus sleep + -ficus -fic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018