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

The panel “has a record of providing an extra level of protection, which is important given the volume of controlled substance research that occurs in California,” the analysis said.

From Los Angeles Times • May 7, 2024

Action was necessary because, two years ago, the Washington State Supreme Court struck down the state’s prohibition against possession of a controlled substance, which was then considered a felony.

From Seattle Times • Apr. 28, 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," a spokesperson said via email.

From Salon • Sep. 25, 2022

That does not include measures to add more synthetic opioids to controlled substance lists to mirror federal law; those have been adopted in many states, with bipartisan support.

From Washington Times • Apr. 3, 2022