[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
- a drug that causes stupor
- of, relating to, or designating this type of drug
C17: from Latin stupefacere to make senseless, from stupēre to be stunned + facere to make