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 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

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

From New York Times • Apr. 20, 2023

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

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

It's not the first time this debate over whether delta-8 was or was not a controlled substance in Texas has come up.

From Salon • Oct. 25, 2021