stimulant
noun
stim·u·lant
ˈstim-yə-lənt 
1
: an agent (such as a drug) that produces a temporary increase of the functional activity or efficiency of an organism or any of its parts
2
: stimulus
3
: an alcoholic beverage
—not used technically
stimulant
adjective
Examples of stimulant in a Sentence
The movie was a stimulant to discussion.
the relaxed zoning regulations should serve as a stimulant for development in the area
Recent Examples on the Web
The publication also alleged that Musk used ecstasy and hallucinogenic mushrooms, and was known to travel with a pill box that contained Adderall, the ADHD treatment drug, which can be a stimulant for some.
—
Meredith Kile, People.com, 2 June 2025
Adderall is a prescribed stimulant generally used to treat attention deficit disorder (ADD), though some people take it recreationally.
—Brian Niemietz, New York Daily News, 30 May 2025
Second are the acute risks of substances like stimulants, which can lead to dehydration, high blood pressure, heart palpitations, and more.
—Sean Gregory, Time, 21 May 2025
The near-constant use of psychedelic stimulants, including MDMA and ecstasy, pushed her into a cycle of narcotic dependence.
—Victoria Bekiempis, Vulture, 15 May 2025
See All Example Sentences for stimulant
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Meredith Kile, People.com, 2 June 2025
Adderall is a prescribed stimulant generally used to treat attention deficit disorder (ADD), though some people take it recreationally.
—Brian Niemietz, New York Daily News, 30 May 2025
Second are the acute risks of substances like stimulants, which can lead to dehydration, high blood pressure, heart palpitations, and more.
—Sean Gregory, Time, 21 May 2025
The near-constant use of psychedelic stimulants, including MDMA and ecstasy, pushed her into a cycle of narcotic dependence.
—Victoria Bekiempis, Vulture, 15 May 2025
See All Example Sentences for stimulant
Cite this Entry
“Stimulant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stimulant. Accessed 10 Jun. 2025.
Copy CitationKids Definition
stimulant
noun
stim·u·lant
ˈstim-yə-lənt
1
: something (as a drug) that temporarily increases the activity or efficiency of the body or one of its parts
a heart stimulant
2
stimulant
adjective
Medical Definition
stimulant
noun
stim·u·lant
ˈstim-yə-lənt
1
: an agent (as a drug) that produces a temporary increase of the functional activity or efficiency of an organism or any of its parts
2
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