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

Current treatments for attention disorders typically increase excitatory signaling in prefrontal brain circuits using stimulant medications.

From Science Daily • Jan. 2, 2026

When he was 11, Tyrell Cooley was taking a very high dose of Concerta, along with guanfacine, sometimes used as an adjunct to a stimulant, at night.

From The Wall Street Journal • Nov. 20, 2025

So, Gomez sent them home with an antibiotic and an appetite stimulant.

From Los Angeles Times • Sep. 25, 2025

I would not have thought such a style of waiting a great stimulant to appetite.'

From "The Remains of the Day" by Kazuo Ishiguro

Vocabulary lists containing stimulant

Across Five Aprils

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Lesson 4

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Selection Vocabulary 2, Unit 6

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