sop·o·rif·er·ous

(sŏp′ə-rĭf′ər-əs, sō′pə-)

adj.

Inducing or tending to induce sleep; soporific.

sop′o·rif′er·ous·ly adv.

sop′o·rif′er·ous·ness n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.	1.	soporiferous - sleep inducing hypnagogic, hypnogogic, somniferous, somnific, soporific depressant - capable of depressing physiological or psychological activity or response by a chemical agent
	2.	soporiferous - inducing mental lethargy; "a narcotic speech" soporific, narcotic uninteresting - arousing no interest or attention or curiosity or excitement; "a very uninteresting account of her trip"

Mentioned in

References in classic literature

All this I was told; for, while the operation was performing, I lay in a profound sleep, by the force of that soporiferous medicine infused into my liquor.

View in context

Brown's austere unhipness has always appealed to me, despite the soporiferous Linda Ronstadt, despite his "explore the universe" vapors, despite his failure as attorney general to defend his state's electorate in the Proposition 8 case, even despite the Dead Kennedys' "California Uber Alles," in which President Brown unleashes the Terror:

California times two

Ephidrosis (local hyperhidrosis): nevus soporiferous. Arch Dermatol.

Pseudoneoplastic lesions: general considerations

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