soporiferous

[sop-uh-rif-er-uh s, soh-puh-]
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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


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Historical Examples of soporiferous