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⇱ soporiferous - WordReference.com Dictionary of English

soporiferous

US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˌsɑpəˈrɪfərəs/ ,USA pronunciation: respelling(sop′ə rif′ər əs, sō′pə-)


WordReference Random House Unabridged Dictionary of American English © 2026
sop•o•rif•er•ous  (sop′ə rif′ər əs, sō′pə-),USA pronunciation adj. 
  1. Drugsbringing sleep;
    soporific.
  • Latin sopōrifer (sopōr-, combining form of sopor sopor + -i- -i- + -fer -fer) + -ous
  • 1580–90
sop′o•rif′er•ous•ly, adv. 
sop′o•rif′er•ous•ness, n. 

'soporiferous' also found in these entries (note: many are not synonyms or translations):

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