| Noun | 1. | amphetamine - a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depressiondrug of abuse, street drug - a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction deoxyephedrine, meth, methamphetamine, methamphetamine hydrochloride, Methedrine, shabu, chicken feed, crank, chalk, trash, glass, ice - amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant | |