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stupefacient definition

stu·pefa·cient (sto̵̅o̅′pə fā′s̸hənt, styo̵̅o̅′-)

adjective

having a stupefying or narcotic effect
also stupefactive stu′·pefac′·tive (-fak′tiv)

Etymology: L stupefaciens, prp. of stupefacere, to stupefy

noun

a stupefacient drug; narcotic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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