• synonyms


[sop-uh-rif-er-uh s, soh-puh-]
See more synonyms for soporiferous on Thesaurus.com
  1. bringing sleep; soporific.
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Origin of soporiferous

1580–90; < Latin sopōrifer (sopōr-, combining form of sopor sopor + -i- -i- + -fer -fer) + -ous
Related formssop·o·rif·er·ous·ly, adverbsop·o·rif·er·ous·ness, nounun·sop·o·rif·er·ous, adjectiveun·sop·o·rif·er·ous·ly, adverbun·sop·o·rif·er·ous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for soporiferous

calming, anesthetic, sedative, opiate, hypnotic, soporific, analgesic, deadening, somnolent, somnifacient, somnific, numbing, soporiferous, stupefacient, stupefactive, stupefying, narcotic, somniferous, hypnagogic

Examples from the Web for soporiferous

Historical Examples of soporiferous

  • Happily, however, that soporiferous monotony is beginning to get obsolete.

    The Wanderer (Volume 3 of 5)

    Fanny Burney

  • These may be called the properties of a verb; and like those of opium, they are soporiferous properties.

  • The garden is also enriched by the cucumber, the soporiferous poppy, and the daffodil, and the acanthus.


    Walter Besant

  • At last the soporiferous fumes of the wine lulled him into a gentle repose.

  • The English, on the return of the herald, went to sleep, for the presence of the herald always had a soporiferous influence.

    The Comic History Of England

    Gilbert Abbott A'Beckett