'Contrastimulant' definitions:

Definition of 'Contrastimulant'

From: GCIDE

Contrastimulant \Con`tra*stim"u*lant\, a. Counteracting the effects of stimulants; relating to a course of medical treatment based on a theory of contrastimulants. -- n. (Med.) An agent which counteracts the effect of a stimulant. [1913 Webster]