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 stimulant is then absorbed into the bloodstream.
—
Joshua P. Cohen, Forbes.com, 15 May 2026
And those treated with an acidic stimulant maintained 75 percent of their initial brightness even after a month of use.
—Mrigakshi Dixit, Interesting Engineering, 7 May 2026
Caffeine powders, energy drink mixes and juice splashes can pile on stimulants and sugar quickly, especially when stacked together in the same drink.
—Lauren Jarvis-Gibson, Charlotte Observer, 7 May 2026
Doctors in Abu Dhabi would compose an individualized concoction of enhancement drugs for him and many of his fellow athletes, selecting from testosterone, anabolic steroids, growth factors like HGH and EPO, hormone and metabolic modulators, and stimulants like Adderall.
—Clara Molot, Vanity Fair, 30 Apr. 2026
See All Example Sentences for stimulant
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Joshua P. Cohen, Forbes.com, 15 May 2026
And those treated with an acidic stimulant maintained 75 percent of their initial brightness even after a month of use.
—Mrigakshi Dixit, Interesting Engineering, 7 May 2026
Caffeine powders, energy drink mixes and juice splashes can pile on stimulants and sugar quickly, especially when stacked together in the same drink.
—Lauren Jarvis-Gibson, Charlotte Observer, 7 May 2026
Doctors in Abu Dhabi would compose an individualized concoction of enhancement drugs for him and many of his fellow athletes, selecting from testosterone, anabolic steroids, growth factors like HGH and EPO, hormone and metabolic modulators, and stimulants like Adderall.
—Clara Molot, Vanity Fair, 30 Apr. 2026
See All Example Sentences for stimulant
Cite this Entry
“Stimulant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stimulant. Accessed 20 May. 2026.
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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