meaning of stimulants
1. Serving to stimulate.
2. Produced increased vital action in the organism, or in any of its parts.
3. That which stimulates, provokes, or excites.
4. An agent which produces a temporary increase of vital activity in the organism, or in any of its parts; -- sometimes used without qualification to signify an alcoholic beverage used as a stimulant.
5. a drug that temporarily quickens some vital process