stimulant

IPA: stˈɪmjʌɫʌnt

(pharmacology) A substance that acts to increase physiological or nervous activity in the body.
Something that promotes activity, interest, or enthusiasm.

Examples of "stimulant" in Sentences

Caffeine is a popular stimulant found in coffee and tea that can help improve alertness and concentration
Some people use prescription stimulants like Adderall to treat attention deficit hyperactivity disorder (ADHD
Exercise is a natural stimulant that can boost mood and energy levels
Some stimulants, like cocaine and methamphetamine, can be highly addictive and have dangerous side effects
Herbal stimulants like ginseng and ephedra have been used for centuries in traditional medicine to improve cognitive function and physical stamina