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Definitions

stimulant

[stim-yuh-luhnt] / ˈstɪm yə lənt /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Caffeine is a stimulant that blocks adenosine receptor signaling pathways.

From Science Daily • May 30, 2026

Of these, about 22,000 hectares are legal -- grown to be chewed as a stimulant, brewed into a tea thought to combat altitude sickness or used in religious rituals.

From Barron's • Nov. 21, 2025

“When a young person shows up with anxiety after starting a stimulant, that doesn’t mean that they have an anxiety disorder,” he said.

From The Wall Street Journal • Nov. 20, 2025

Caffeine is a stimulant that can make you feel more alert and less sleepy due to its effect on the brain and nervous system.

From BBC • Jul. 31, 2025

Tea it might as well be called; brewed from roasted permgrain, orsh is a brown, sweetsour drink, strong in vitamins A and C, sugar, and a pleasant stimulant related to lobeline.

From "The Left Hand of Darkness" by Ursula K. Le Guin




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