sweat
Americanverb (used without object)
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to perspire, especially freely or profusely.
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to exude moisture, as green plants piled in a heap or cheese.
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to gather moisture from the surrounding air by condensation.
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(of moisture or liquid) to ooze or be exuded.
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Informal. to work hard.
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Informal. to experience distress, as from anxiety.
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(of tobacco) to ferment.
verb (used with object)
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to excrete (perspiration, moisture, etc.) through the pores of the skin.
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to exude in drops or small particles.
The drying figs sweat tiny drops of moisture.
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to send forth or get rid of with or like perspiration (often followed by out oroff ).
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to wet or stain with perspiration.
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to cause (a person, a horse, etc.) to perspire.
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to cause to exude moisture, especially as a step in an industrial drying process.
to sweat wood.
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to earn, produce, or obtain (a result, promotion, compliment, etc.) by hard work.
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to cause to lose (weight) as by perspiring or hard work.
The hard week's work sweated five pounds off him.
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to cause, force, or bring pressure on (a person, an animal, etc.) to work hard.
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to employ (workers) at low wages, for long hours, or under other unfavorable conditions.
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to labor with meticulous care over.
The manufacturer of this beautiful car has really sweated the details.
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Slang.
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to obtain or extort (money) from someone.
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to extort money from; fleece.
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Slang. to subject to severe questioning; give the third degree to.
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Metallurgy.
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to heat (an alloy) in order to remove a constituent melting at a lower temperature than the alloy as a whole.
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to heat (solder or the like) to melting.
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to join (metal objects) by heating and pressing together, usually with solder.
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to remove bits of metal from (gold coins) by shaking them against one another, as in a bag.
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to cause (tobacco or cocoa) to ferment.
noun
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the process of sweating or perspiring.
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that which is secreted from sweat glands; perspiration.
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a state or a period of sweating.
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hard work.
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Informal. a state of anxiety or impatience.
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a process of inducing sweating or perspiration, or of being sweated, as in medical treatment.
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moisture exuded from something or gathered on a surface.
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an exuding of moisture, as by a substance.
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an inducing of such exudation, as in some industrial process.
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a run given to a horse for exercise, as before a race.
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Informal. sweats, sweatpants, sweatshirts, sweat suits, or the like.
adjective
verb phrase
idioms
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no sweat, with no difficulty or problem.
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sweat blood,
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to be under a strain; work strenuously.
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to wait anxiously; worry.
He was sweating blood while his friend was being questioned by the police.
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sweat bullets,
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to sweat profusely.
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to be apprehensive; worry.
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sweat it,
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to wait anxiously; endure the best way one can.
There was no news of survivors, so all we could do was sweat it.
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to worry; be apprehensive.
You'll do OK, so don't sweat it.
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noun
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the secretion from the sweat glands, esp when profuse and visible, as during strenuous activity, from excessive heat, etc; commonly also called perspiration
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the act or process of secreting this fluid
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the act of inducing the exudation of moisture
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drops of moisture given forth or gathered on the surface of something
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informal a state or condition of worry or eagerness (esp in the phrase in a sweat )
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slang drudgery or hard labour
mowing lawns is a real sweat!
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an exercise gallop given to a horse, esp on the day of a race
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slang a soldier, esp one who is old and experienced
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slang (interjection) an expression suggesting that something can be done without problems or difficulty
verb
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to secrete (sweat) through the pores of the skin, esp profusely
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(tr) to make wet or stain with sweat
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to give forth or cause to give forth (moisture) in droplets
a sweating cheese
the maple sweats sap
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(intr) to collect and condense moisture on an outer surface
a glass of beer sweating in the sun
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(intr) (of a liquid) to pass through a porous surface in droplets
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(of tobacco leaves, cut and dried hay, etc) to exude moisture and, sometimes, begin to ferment or to cause (tobacco leaves, etc) to exude moisture
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(tr) to heat (food, esp vegetables) slowly in butter in a tightly closed saucepan
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(tr) to join (pieces of metal) by pressing together and heating
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(tr) to heat (solder) until it melts
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(tr) to heat (a partially fused metal) to extract an easily fusible constituent
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to shake together (coins, esp gold coins) so as to remove particles for illegal use
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informal to suffer anxiety, impatience, or distress
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informal to overwork or be overworked
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informal (tr) to employ at very low wages and under bad conditions
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informal (tr) to extort, esp by torture
to sweat information out of a captive
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informal (intr) to suffer punishment
you'll sweat for this!
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informal
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to work very hard
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to be filled with anxiety or impatience
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Synonym Usage
See perspiration.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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sweatsimple
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sweatssimple
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have sweatperfect
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have sweatedperfect
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has sweatperfect
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has sweatedperfect
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am sweatingprogressive
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are sweatingprogressive
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is sweatingprogressive
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have been sweatingperfect progressive
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has been sweatingperfect progressive
Past
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sweatsimple
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sweatedsimple
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had sweatperfect
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had sweatedperfect
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was sweatingprogressive
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were sweatingprogressive
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had been sweatingperfect progressive
Future
Etymology
Origin of sweat
First recorded before 900; 1970–75 sweat for def. 6; (verb) Middle English sweten, Old English swǣtan “to sweat,” derivative of swāt (noun); (noun) Middle English swet, sweet, influenced by the verb, cognate with Dutch zweet, German Schweiss, Old Norse sveiti; akin to Sanskrit svéda-, Latin sūdor, Greek hidrṓs
Explanation
Sweat is perspiration that makes you feel cooler when it evaporates off the surface of your skin — or the giving-off of this liquid. If you exercise hard, you will sweat. The word sweat comes from the Old English word swætan, which means “perspire,” and “work hard.” Though sweat is the body's way of cooling itself, today it also means "to worry or be stressed out." If someone tells you not to sweat it, it means "don't worry." But if someone is "sweating" you, it means you are hassled, maybe being asked every five minutes, "Did you finish your work yet?"
Vocabulary lists containing sweat
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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.
See Examples For:
But Lopez added: "If you're going to sweat and break your back on the pitch to become champions twice, I accept that. If referees are going to help you, I don't."
From Barron's ● Jul. 18, 2026
So that steak you crave will only bring you out in a sweat.
From BBC ● Jul. 8, 2026
“It stops sweat from streaming down to my eyes,” he says.
From The Wall Street Journal ● Jul. 7, 2026
As recounted years later in the New York Times, Bušić, when confronted with the events of 1975, began to sweat.
From Slate ● Jul. 7, 2026
I feel a trickle of sweat drop behind my ear into a channel down my neck.
From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin
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After a cold drink, your body sweats more slowly.
From BBC ● Jul. 8, 2026
She similarly never told him about her menopause symptoms—the insomnia and night sweats.
From The Wall Street Journal ● Jun. 2, 2026
Hormone therapy remains the most effective first-line option for relieving common menopausal symptoms such as hot flashes and night sweats, which affect up to 75% of postmenopausal women.
From Science Daily ● Mar. 23, 2026
That means it’s likely that more buses will be pulling into Villahermosa, depositing deportees still dressed in prison sweats.
From Los Angeles Times ● Mar. 21, 2026
That explains the sweats in the middle of the day.
From "The Hate U Give" by Angie Thomas
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Workers sweated in choking heat and pupils stayed home on Tuesday as an early-summer heatwave smothered much of Europe, sparking health warnings.
From Barron's ● Jun. 23, 2026
He sweated profusely and looked as if he might be dehydrated.
From Los Angeles Times ● Oct. 29, 2025
He has never sweated a detail for a fraction of an instant.
From Slate ● Aug. 20, 2025
"They're criticising something you've sweated blood and tears over."
From BBC ● May 8, 2025
He sweated; he panted, the stubble rising and falling on his fat neck and chin.
From "The Woman Warrior" by Maxine Hong Kingston
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Summer can be tough if you struggle with sweating or chafing.
From BBC ● Jul. 2, 2026
The most common symptoms of heatstroke are when a person becomes confused, and when they stop sweating and their skin feels dry and hot to the touch.
From MarketWatch ● Jun. 30, 2026
Just a few feet away, Bangladeshi street vendors -- also sweating in the heat -- tried to sell off their stock of parasols and pocked-sized electric fans.
From Barron's ● Jun. 30, 2026
If Rob Pelinka could use the Dodgers’ blueprint to renovate, Lakers fans wouldn’t even be sweating this summer.
From Los Angeles Times ● Jun. 28, 2026
On the morning of Monday, August 21, everyone in Paris was sweating.
From "The Mona Lisa Vanishes" by Nicholas Day
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.