tsentraalse stimuleeriva toimega ravi‑ ja narkootiline aine (sümpatiko­mi­meeti­kum), kesknärvisüsteemi stimuleeriv sünteetiline ravi- ja narkootiline aine, mis võib tekitada tugevat vaimset ja füüsilist sõltuvust, drug of the phenethylamine class, which stimulates the central nervous system and which, when overused, can be psychologically and physically addictive, a racemic compound C9H13N or one of its derivatives (such as dextroamphetamine or methamphetamine) that is a stimulant of the central nervous system, is often abused illicitly, and is used clinically especially in the form of its sulfate C9H13N·H2SO4 to treat attention deficit disorder and narcolepsy and formerly as a short-term appetite suppressant