stupefactive

English

Etymology

Compare French stupéfactif.

Adjective

stupefactive (comparative more stupefactive, superlative most stupefactive)

1. Inducing stupor; making drowsy; stupefacient.
   • 1841, Benjamin Parsons, The wine question settled, page 7:

     Opium and laudanum, which is a preparation of opium, are both stimulating and stupefactive.