- something that temporarily quickens some vital process or the functional activity of some organ or part: Adrenalin is a stimulant for the heart.
- any food or beverage that stimulates, especially coffee, tea, or, in its initial effect, alcoholic liquor.
- a stimulus or incentive.
- temporarily quickening some vital process or functional activity.
- stimulating.
- a drug or similar substance that increases physiological activity, esp of a particular organ
- any stimulating agent or thing
- increasing physiological activity; stimulating
