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sweat

American  
[swet] / swɛt /

verb (used without object)

sweats, present (3rd person singular) sweated, past participle, past sweat, past participle, past sweating present participle
  1. to perspire, especially freely or profusely.

  2. to exude moisture, as green plants piled in a heap or cheese.

  3. to gather moisture from the surrounding air by condensation.

  4. (of moisture or liquid) to ooze or be exuded.

  5. Informal. to work hard.

  6. Informal. to experience distress, as from anxiety.

  7. (of tobacco) to ferment.


verb (used with object)

sweats, present (3rd person singular) sweated, past participle, past sweat, past participle, past sweating present participle
  1. to excrete (perspiration, moisture, etc.) through the pores of the skin.

  2. to exude in drops or small particles.

    The drying figs sweat tiny drops of moisture.

  3. to send forth or get rid of with or like perspiration (often followed by out oroff ).

  4. to wet or stain with perspiration.

  5. to cause (a person, a horse, etc.) to perspire.

  6. to cause to exude moisture, especially as a step in an industrial drying process.

    to sweat wood.

  7. to earn, produce, or obtain (a result, promotion, compliment, etc.) by hard work.

  8. to cause to lose (weight) as by perspiring or hard work.

    The hard week's work sweated five pounds off him.

  9. to cause, force, or bring pressure on (a person, an animal, etc.) to work hard.

  10. to employ (workers) at low wages, for long hours, or under other unfavorable conditions.

  11. to labor with meticulous care over.

    The manufacturer of this beautiful car has really sweated the details.

  12. Slang.

    1. to obtain or extort (money) from someone.

    2. to extort money from; fleece.

  13. Slang. to subject to severe questioning; give the third degree to.

  14. Metallurgy.

    1. to heat (an alloy) in order to remove a constituent melting at a lower temperature than the alloy as a whole.

    2. to heat (solder or the like) to melting.

    3. to join (metal objects) by heating and pressing together, usually with solder.

  15. to remove bits of metal from (gold coins) by shaking them against one another, as in a bag.

  16. to cause (tobacco or cocoa) to ferment.

noun

sweat plural
  1. the process of sweating or perspiring.

  2. that which is secreted from sweat glands; perspiration.

  3. a state or a period of sweating.

  4. hard work.

  5. Informal. a state of anxiety or impatience.

  6. a process of inducing sweating or perspiration, or of being sweated, as in medical treatment.

  7. moisture exuded from something or gathered on a surface.

  8. an exuding of moisture, as by a substance.

  9. an inducing of such exudation, as in some industrial process.

  10. a run given to a horse for exercise, as before a race.

  11. Informal. sweats, sweatpants, sweatshirts, sweat suits, or the like.

adjective

  1. Informal.

    1. (of clothes) made to be worn for exercise, sports, or other physical activity.

    2. made of the absorbent fabric used for such clothes.

      sweat dresses.

    3. of, for, or associated with such clothes.

      the sweat look in sportswear.

verb phrase

  1. sweat out

    1. to await anxiously the outcome of; endure apprehensively.

      The accused sweated out the jury's deliberation.

    2. to work arduously at or toward.

      The director sweated out a camera angle with the cinematographer.

idioms

  1. no sweat, with no difficulty or problem.

  2. sweat blood,

    1. to be under a strain; work strenuously.

    2. to wait anxiously; worry.

      He was sweating blood while his friend was being questioned by the police.

  3. sweat bullets,

    1. to sweat profusely.

    2. to be apprehensive; worry.

  4. sweat it,

    1. to wait anxiously; endure the best way one can.

      There was no news of survivors, so all we could do was sweat it.

    2. to worry; be apprehensive.

      You'll do OK, so don't sweat it.

sweat British  
/ swɛt /

noun

  1. the secretion from the sweat glands, esp when profuse and visible, as during strenuous activity, from excessive heat, etc; commonly also called perspiration

  2. the act or process of secreting this fluid

  3. the act of inducing the exudation of moisture

  4. drops of moisture given forth or gathered on the surface of something

  5. informal a state or condition of worry or eagerness (esp in the phrase in a sweat )

  6. slang drudgery or hard labour

    mowing lawns is a real sweat!

  7. an exercise gallop given to a horse, esp on the day of a race

  8. slang a soldier, esp one who is old and experienced

  9. slang (interjection) an expression suggesting that something can be done without problems or difficulty

"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

verb

  1. to secrete (sweat) through the pores of the skin, esp profusely

  2. (tr) to make wet or stain with sweat

  3. to give forth or cause to give forth (moisture) in droplets

    a sweating cheese

    the maple sweats sap

  4. (intr) to collect and condense moisture on an outer surface

    a glass of beer sweating in the sun

  5. (intr) (of a liquid) to pass through a porous surface in droplets

  6. (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

  7. (tr) to heat (food, esp vegetables) slowly in butter in a tightly closed saucepan

  8. (tr) to join (pieces of metal) by pressing together and heating

  9. (tr) to heat (solder) until it melts

  10. (tr) to heat (a partially fused metal) to extract an easily fusible constituent

  11. to shake together (coins, esp gold coins) so as to remove particles for illegal use

  12. informal to suffer anxiety, impatience, or distress

  13. informal to overwork or be overworked

  14. informal (tr) to employ at very low wages and under bad conditions

  15. informal (tr) to extort, esp by torture

    to sweat information out of a captive

  16. informal (intr) to suffer punishment

    you'll sweat for this!

  17. informal

    1. to work very hard

    2. to be filled with anxiety or impatience

"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
sweat Scientific  
/ swĕt /
  1. The salty liquid given off by sweat glands in the skin of mammals. As sweat evaporates, the skin cools, causing a reduction in body heat.


sweat More Idioms  

    More idioms and phrases containing sweat


Synonym Usage

See perspiration.

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

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?"

Keep Reading on Vocabulary.com

Vocabulary lists containing sweat

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

“It’s really just an expansion of the playbook we’ve seen: The market doesn’t really sweat too hard if there’s a setback in the Persian Gulf,” said Steve Sosnick, chief strategist at Interactive Brokers.

From The Wall Street Journal Jul. 9, 2026

This impairs our ability to quickly shed excess heat and makes it harder to judge when our bodies are under burden, simply because we can't see as much sweat on our skin or clothing.

From BBC Jul. 8, 2026

Like he cannot believe this wonderful thing that has just happened even if he was the one who sweat and ran and defied physics to make it happen.

From Los Angeles Times Jul. 8, 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

"My impression was that I had no periods and that was it, but after the years that followed I was getting bad night sweats, hot flushes, itchy skin, dryness."

From BBC Jul. 17, 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

A. On the spectrum from tuxedo to sweats, I’ll be closer to the latter because I’m covering the Oscars ceremony remotely.

From The Wall Street Journal Mar. 13, 2026

Kantorek sweats and spits out a dirty piece of wood that has lodged in his teeth.

From "All Quiet on the Western Front: A Novel" by Erich Maria Remarque

"But," she continued, "I prefer to think of it as a life lived, a life survived, a life enjoyed, a life sweated, and a life carried on, hopefully."

From BBC Jan. 10, 2026

"I sweated everything I had, I gave it all, and that's all that matters, and I really enjoyed my time on the court," he said.

From Barron's Oct. 12, 2025

RFK had sweated through a teal t-shirt, which he had tucked into blue jeans.

From Salon Aug. 20, 2025

He has never sweated a detail for a fraction of an instant.

From Slate Aug. 20, 2025

I remember the clammy smell of beef-and-potato casserole, and the jingle of ice cubes tumbling into tall glasses, which sweated in the summer heat.

From "Educated" by Tara Westover

During heatwaves, the added strain on our hearts can cause our blood pressure to lower, which combined with the loss of fluids and salt from sweating, can lead to heat exhaustion.

From BBC Jul. 8, 2026

The Stoke City supporter said that he was "sweating" when Panama held the Three Lions to a 0-0 draw at half-time in their final group game.

From BBC Jul. 1, 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

She is looking forward for a refreshing shower after sweating for over a day.

From Barron's Jun. 30, 2026

I'm sweating and shaking and the whole school is staring at me, and I cannot believe I kicked the garbage can.

From "Wayward Creatures" by Dayna Lorentz

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