• synonyms


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.
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Origin of quench

1150–1200; Middle English quenchen, earlier cwenken; compare Old English -cwencan in ācwencan to quench (cf. a-3)
Related formsquench·a·ble, adjectivequench·a·ble·ness, nounquench·er, nounun·quench·a·ble, adjectiveun·quenched, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unquenched

Historical Examples of unquenched

  • Disease had crushed his body, but the indomitable spirit was unquenched.

    Traditions of Lancashire, Volume 2 (of 2)

    John Roby

  • "One hopes really you do," pursued the unquenched Mr. Cashmore.

    The Awkward Age

    Henry James

  • Then the rebellions of an unquenched romance, an untamed heart, beset him.

  • He saw all the unquenched love that shed anguish over that beautiful face, and took courage.

    Fashion and Famine

    Ann S. Stephens

  • They found the Talmudical restrictions incompatible with their hereditary and unquenched thirst for liberty.

British Dictionary definitions for unquenched


verb (tr)
  1. to satisfy (one's thirst, desires, etc); slake
  2. to put out (a fire, flame, etc); extinguish
  3. to put down or quell; suppressto 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 Formsquenchable, adjectivequencher, nounquenchless, adjective

Word Origin for quench

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

Word Origin and History for unquenched



Old English acwencan "to quench" (of fire, light), from Proto-Germanic *cwandjan, probably a causative form of root of Old English cwincan "to go out, be extinguished," Old Frisian kwinka. Related: Quenched; quenching.

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Online Etymology Dictionary, © 2010 Douglas Harper