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Line breaks: stup¦e|fac¦tive
Pronunciation: /stjuːpɪˈfaktɪv

Definition of stupefactive in English:


(Of a drug) inducing unconsciousness or insensibility.
Example sentences
  • Nurses are too apt, for their own ease, to cherish the sleepy disposition of infants, and to increase it by various things of a stupefactive quality.
  • In lock jaw, and in all convulsive conditions in which opium is prescribed in stupefactive doses.
  • These wines were stupefactive, because they produce forgetfulness.


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A drug which induces unconsciousness or insensibility.
Example sentences
  • Stupefactives induce a kind of drunkenness by the grossness of their vapour.
  • Opium, and other strong stupefactives, do coagulate the spirit, and deprive it of the motion.
  • Many accidents have arisen from its too general use as a stupefactive for infants.

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