Dictionary.com

stimulant

[ stim-yuh-luhnt ]
/ ˈstɪm yə lənt /
Save This Word!

noun

Physiology, Medicine/Medical. something that temporarily quickens some vital process or the functional activity of some organ or part: Adrenalin is a stimulant for the heart.Compare depressant (def. 4).
any food or beverage that stimulates, especially coffee, tea, or, in its initial effect, alcoholic liquor.
a stimulus or incentive.

adjective

Physiology, Medicine/Medical. temporarily quickening some vital process or functional activity.

QUIZZES

QUIZ YOURSELF ON THE MANY TYPES OF NOUNS

They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of stimulant

First recorded in 1720–30, stimulant is from the Latin word stimulant- (stem of stimulāns, present participle of stimulāre to goad). See stimulus, -ant

OTHER WORDS FROM stimulant

an·ti·stim·u·lant, adjective, nounnon·stim·u·lant, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for stimulant

British Dictionary definitions for stimulant

stimulant
/ (ˈstɪmjʊlənt) /

noun

a drug or similar substance that increases physiological activity, esp of a particular organ
any stimulating agent or thing

adjective

increasing physiological activity; stimulating

Word Origin for stimulant

C18: from Latin stimulāns goading, from stimulāre to urge on; see stimulus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for stimulant

stimulant
[ stĭmyə-lənt ]

n.

An agent that arouses organic activity, strengthens the action of the heart, increases vitality, and promotes a sense of well-being.

adj.

Serving as or being a stimulant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for stimulant

stimulant
[ stĭmyə-lənt ]

An agent, especially a drug, that causes increased activity, especially of the nervous or cardiovascular systems. Caffeine is a commonly used stimulant.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK