WordNet
psychoactive substance
n. a drug that can produce mood changes and distorted perceptions [syn: psychoactive drug, mind-altering drug, consciousness-altering drug]
Usage examples of "psychoactive substance".
Indeed, about 95% of American adults consume some psychoactive substance every week.
Medical scans of the Dokaalan treated during the triage operation had not identified anything resembling an intoxicating or psychoactive substance present within any of the patients.