View synonyms for quench


[ kwench ]

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.


/ kwɛntʃ /


  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

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Derived Forms

  • ˈquencher, noun
  • ˈquenchless, adjective
  • ˈquenchable, adjective
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Other Words From

  • quencha·ble adjective
  • quencha·ble·ness noun
  • quencher noun
  • un·quencha·ble adjective
  • un·quenched adjective
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Word History and Origins

Origin of quench1

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

Origin of quench1

Old English ācwencan to extinguish; related to Old Frisian quinka to vanish
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Example Sentences

It’s an increasingly precarious resource for the over 40 million people it quenches, which include the cities of San Diego and Los Angeles, as long-term climate change threatens to destabilize the regular snowpack that feeds it.

The British retreated after a huge storm struck the city — perhaps a hurricane or a tornado — quenching the fires.

Kosas’s ever so slightly sticky formula is loaded with ultra-moisturizing hyaluronic acid, so it wears tenaciously under a neck tube or mask and leaves lips noticeably more quenched than the average wax stick.

No one needs to prove to you that a glass of water will quench your thirst, because everyone has experienced that result firsthand.

From Fortune

With a good hydration bladder in your pack, you’ll be ready to get outside without worrying about quenching your thirst.

Luckily, ‘Doldo’ from the Second City Network has arrived to quench their thirsts, and have a laugh at their expense.

Her father runs an antique store and frequently sends the girls goods to quench the Berlin vintage drought.

The bruised reed he shall not break, and smoking flax he shall not quench, he shall bring forth judgment unto truth.

One copy was quite able to quench the thirst for "keeping up," and was often read aloud in the intervals between cards.

"It would be idle," came Wilding's icy voice to quench the gleam of hope kindling anew in Richard's breast.

The water that was used to quench the fire being pumped into the river Idria, all the fish died excepting the eels.

Somehow this question seemed to quench the teacher of mathematics' good spirits.