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
Synonyms
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
According to the United Nations’ Online World Drug Report 2023, the use of amphetamine-type stimulants, which includes methamphetamine, has increased in most countries over the past decade.
—
New Atlas, 27 Dec. 2024
The theory that merging the two will promote productivity and other joyful feelings comes from the science that caffeine is a stimulant.
—Rowan Briggs, The Mercury News, 25 Oct. 2024
For emotional dysregulation, which Cortese said many people with ADHD experience, atomoxetine and stimulants were more helpful than a placebo.
—Kristen Rogers, CNN, 17 Dec. 2024
Many recreational and prescription drugs contain stimulants (drugs that increase activity in your central nervous system) and other substances that can trigger symptoms of tachycardia.
—Anna Giorgi, Verywell Health, 29 Nov. 2024
See all Example Sentences for stimulant 
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New Atlas, 27 Dec. 2024
The theory that merging the two will promote productivity and other joyful feelings comes from the science that caffeine is a stimulant.
—Rowan Briggs, The Mercury News, 25 Oct. 2024
For emotional dysregulation, which Cortese said many people with ADHD experience, atomoxetine and stimulants were more helpful than a placebo.
—Kristen Rogers, CNN, 17 Dec. 2024
Many recreational and prescription drugs contain stimulants (drugs that increase activity in your central nervous system) and other substances that can trigger symptoms of tachycardia.
—Anna Giorgi, Verywell Health, 29 Nov. 2024
See all Example Sentences for stimulant
Dictionary Entries Near stimulant
Cite this Entry
“Stimulant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stimulant. Accessed 18 Jan. 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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