Stim"u*lant (?), a. [L. stimulans, p. pr.; cf. F. stimulant. See Stimulate.] 1. Serving to stimulate.

2. (Physiol.) Produced increased vital action in the organism, or in any of its parts.

Stim"u*lant, n. [Cf. F. stimulant.] 1. That which stimulates, provokes, or excites.

His feelings had been exasperated by the constant application of stimulants.

2. (Physiol. & Med.) 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.

Stim"u*lant (?), a. [L. stimulans, p. pr.; cf. F. stimulant. See Stimulate.] 1. Serving to stimulate.

2. (Physiol.) Produced increased vital action in the organism, or in any of its parts.

Stim"u*lant, n. [Cf. F. stimulant.] 1. That which stimulates, provokes, or excites.

His feelings had been exasperated by the constant application of stimulants.

2. (Physiol. & Med.) 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.

• A substance that acts to increase physiological or nervous activity in the body.
  
• Something that promotes activity, interest, or enthusiasm.
  
• Acting as a stimulant.