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stupefactive

[stoo-puh-fak-tiv, styoo-]
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adjective
  1. serving to stupefy.
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Origin of stupefactive

1520–30; < Medieval Latin stupefactīvus, equivalent to Latin stupefact(us) (see stupefaction) + -īvus -ive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for stupefactive

calming, anesthetic, sedative, opiate, hypnotic, soporific, analgesic, deadening, somnolent, somnifacient, somnific, numbing, soporiferous, stupefacient, stupefactive, stupefying