stupefacient

[ stoo-puh-fey-shuh nt, styoo- ]
/ ˌstu pəˈfeɪ ʃənt, ˌstyu- /

adjective

stupefying; producing stupor.

noun

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

Words nearby stupefacient

British Dictionary definitions for stupefacient

stupefacient
/ (ˌstjuːpɪˈfeɪʃɪənt) /

noun

a drug that causes stupor

adjective

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