[stoo-puh-fey-shuh nt, styoo-]
- stupefying; producing stupor.
- a drug or agent that produces stupor.
Origin of stupefacient
1660–70; < Latin stupefacient- (stem of stupefaciēns) present participle of stupefacere to benumb; see stupefy, -facient
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for stupefacientcalming, anesthetic, opium, painkiller, dope, sedative, opiate, tranquilizer, heroin, merchandise, hypnotic, soporific, analgesic, deadening, junk, fix, stuff, anodyne, downer, lenitive
- a drug that causes stupor
- of, relating to, or designating this type of drug
Word Origin for stupefacient
C17: from Latin stupefacere to make senseless, from stupēre to be stunned + facere to make
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012