antiopiate

English

Etymology

From anti- +‎ opiate.

Adjective

antiopiate (not comparable)

1. Counteracting an opiate.
   • 2000, Lester A. Lefton, Psychology:

     That is, the location of heroin use can serve as a conditioned stimulus for the antiopiate response. When the user injects the drug in a different location, the well-developed antiopiate response does not occur […]

Noun

antiopiate (plural antiopiates)

1. A drug that has an antiopiate effect.
   • 2012, C. J. Hawkey, Jaime Bosch, Joel E. Richter, Textbook of Clinical Gastroenterology and Hepatology, page 78:

     Cholestyramine, however, may exert effects different from decreasing the enterohepatic circulation of bile acids including the release of endogenous antiopiates (e.g., cholecystokinin) that may result in a decrease in the perception of pruritus.