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Synonyms

quench

American  
[kwench] / kwɛntʃ /

verb (used with object)

  1. to slake, satisfy, or allay (thirst, desires, passion, etc.).

  2. to put out or extinguish (fire, flames, etc.).

  3. to cool suddenly by plunging into a liquid, as in tempering steel by immersion in water.

  4. to subdue or destroy; overcome; quell.

    to quench an uprising.

  5. Electronics. to terminate (the flow of electrons in a vacuum tube) by application of a voltage.


quench British  
/ kwɛntʃ /

verb

  1. to satisfy (one's thirst, desires, etc); slake

  2. to put out (a fire, flame, etc); extinguish

  3. to put down or quell; suppress

    to quench a rebellion

  4. to cool (hot metal) by plunging it into cold water

  5. physics to reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance

  6. electronics

    1. to suppress (sparking) when the current is cut off in an inductive circuit

    2. to suppress (an oscillation or discharge) in a component or device

"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

Other Word Forms

  • quenchable adjective
  • quenchableness noun
  • quencher noun
  • quenchless adjective
  • unquenchable adjective
  • unquenched adjective

Etymology

Origin of quench

1150–1200; Middle English quenchen, earlier cwenken; compare Old English -cwencan in ācwencan to quench ( a- 3 )

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.

Or maybe they’re local fans who have a thirst that only 20+ refills can quench.

From Los Angeles Times • Mar. 31, 2026

But Murree, founded in 1860 to quench the thirst of British soldiers and the colonial community during the Raj, has survived Islamist opposition and strict regulations to become one of Pakistan's most well-known companies.

From Barron's • Dec. 24, 2025

“For a lot of people, a beverage is just to quench the thirst or get an energy boost with caffeine, so yeah maybe the tea behind it isn’t really that important for them.”

From Salon • Jul. 31, 2025

On the other hand, they wrote, allowing potentially defective drugs to be widely used is akin to "drinking poison to quench thirst".

From BBC • Feb. 11, 2025

But to quench the tormenting fire frying him in his clothes, he leaped overboard into the deep river where ere they could recover him he was near drowned.

From "Blood on the River" by Elisa Carbone