controlled substance

SEE SYNONYMS FOR controlled substance ON THESAURUS.COM

noun

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

Origin of controlled substance

First recorded in 1970–75

Words nearby controlled substance

controlled experiment, controlled explosion, controlled hypotension, controlled mechanical ventilation, controlled respiration, controlled substance, controlled ventilation, controlled-release, controller, controlling image, controlling interest

Words related to controlled substance

dope, drug

Medical definitions for controlled substance

controlled substance

n.

A drug or chemical substance whose possession and use are regulated under the Controlled Substances Act.