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stupefacient Line breaks: stu¦pe|fa¦cient
Pronunciation: /ˌstjuːpɪˈfeɪs(ə)nt/

Definition of stupefacient in English:


(Chiefly of a drug) causing semi-consciousness.


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A stupefacient drug.
Example sentences
  • In his column George Will wrote that our yearly consumption of stupefacients amounts to $50 billion.
  • Regarding analgesics, he was remarkably current: ‘The most powerful of the stupefacients is opium.’
  • Although some local fishers were trained by foreign fishers to use cyanide as a stupefacient, others found that they could catch live food reef fish using traditional methods, or variations of them.


Mid 17th century: from Latin stupefacient- 'stupefying', from the verb stupefacere.

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