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Showing results for stimulant. Search instead for stimulants/3.
Definitions

stimulant

[stim-yuh-luhnt] / ˈstɪm yə lənt /
NOUN
substance that invigorates
Synonyms
STRONGEST
catalyst drug impetus stimulus
STRONG
analeptic bracer energizer excitant goad impulse incentive incitation incitement motivation motive pick-me-up restorative spur tonic upper
WEAK
reviver shot in the arm spark plug
Antonyms
STRONGEST
block hindrance
STRONG
deterrent discouragement
WEAK
depressant

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

Adding the stimulant Evekeo only made him more hyperactive; Concerta and ProCentra also didn’t help.

From The Wall Street Journal • Nov. 20, 2025

More than 10 traders were arrested last Friday in the main coastal city of Mombasa as the ban on the stimulant took effect, local media reported.

From BBC • May 28, 2024

It gave me a curious satisfaction, it acted upon me like a stimulant.

From "Rebecca" by Daphne du Maurier

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.