WordNet (r) 3.0 (2006):

Benzedrine
    n 1: a form of amphetamine [syn: Benzedrine, bennie]

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "Benzedrine":
   Benzedrine pill, C, Dexamyl, Dexamyl pill, Dexedrine,
   Dexedrine pill, Methedrine, amphetamine, amphetamine sulfate,
   cocaine, coke, crystal, dextroamphetamine sulfate, football, heart,
   jolly bean, methamphetamine hydrochloride, pep pill, purple heart,
   snow, speed, stimulant, upper