controlled substance

American  

noun

1. any of a category of behavior-altering or addictive drugs, as heroin or cocaine, whose possession and use are restricted by law.

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Etymology

Origin of controlled substance

First recorded in 1970–75

Example Sentences

See Examples For:

controlled substance

The International Equestrian Federation said Wednesday the Chinese team lost an Olympic qualification place at a competition in Ireland in June because a controlled substance was detected in the horse ridden by Alex Hua Tian.

From Seattle Times ● Oct. 11, 2023

Circuit Court of Appeals upheld the felon-in-possession law against Edell Jackson, who had challenged a ban on possessing a firearm after he had done time in prison for selling a controlled substance in Minnesota.

From Washington Times ● Sep. 7, 2023

With that carve out, veterinarians would not face the restrictions of a controlled substance.

From New York Times ● Apr. 20, 2023

"Because xylazine is not a controlled substance, its regulation does not fall under the purview of DEA."

From Salon ● Sep. 25, 2022

I was contemplating the irony of Netflix, which has turned television into something approaching a controlled substance, organizing a live comedy festival — “don’t take your eyes off the screen until we tell you to.”

From Los Angeles Times ● Apr. 7, 2022