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[in-ig-zaws-tuh-buh l] /ˌɪn ɪgˈzɔs tə bəl/
not exhaustible; incapable of being depleted:
an inexhaustible supply.
untiring; tireless:
an inexhaustible runner.
Origin of inexhaustible
1595-1605; < Latin inexhaust(us) not exhausted (see in-3, exhaust) + -ible
Related forms
inexhaustibility, inexhaustibleness, noun
inexhaustibly, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for inexhaustibly
Historical Examples
  • How inexhaustibly rich everything is, if you only stick to life.

    The Return Walter de la Mare
  • But the most lovely of them all was the inexhaustibly lovely Tsarevna.

    Russian Fairy Tales R. Nisbet Bain
  • He was poor of purse, but inexhaustibly rich in the happier gifts of fortune.

  • There seemed no limit to what might be done and enjoyed in that inexhaustibly renovating air.


    Susan Coolidge
  • His intellect was inexhaustibly fertile of distinctions and objections; his temper calm and unadventurous.

  • Their yams and cassava grow without effort, for the soil is easily worked and inexhaustibly fertile.

    The English in the West Indies James Anthony Froude
  • They alone have this apparently miraculous property of inexhaustibly developing before the mind.

  • Like other necessaries of life—like air, and water, and food—it is universally diffused, and inexhaustibly supplied.

  • inexhaustibly kind to undeserved misfortune, a little impatient of mere incompetence, implacable to continuous idiocy.

    The Creators

    May Sinclair
  • Viewed from this standpoint the Uitlander grievances were an inexhaustibly rich and payable mine.

    A Century of Wrong F. W. Reitz
British Dictionary definitions for inexhaustibly


incapable of being used up; endless: inexhaustible patience
incapable or apparently incapable of becoming tired; tireless
Derived Forms
inexhaustibility, inexhaustibleness, noun
inexhaustibly, adverb
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
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Word Origin and History for inexhaustibly



c.1600, from in- (1) "not, opposite of" + exhaustible (see exhaust). Related: Inexhaustibly.

Online Etymology Dictionary, © 2010 Douglas Harper
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