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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.

“It is a terrific stimulant of a sense of urgency.”

From Barron's • Feb. 25, 2026

For decades, stimulant medications have been thought to work by directly influencing brain regions responsible for attention.

From Science Daily • Dec. 29, 2025

The school told Gansky’s mother that the girl should see a psychiatrist, who diagnosed her with attention-deficit/hyperactivity disorder, or ADHD, and prescribed a stimulant.

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

Arthur’s presence, however, seemed to act as a stimulant; she rallied a little, and spoke to him more brightly than she had done since we arrived.

From "Dracula" by Bram Stoker




Vocabulary lists containing stimulant