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inexhaustible

[in-ig-zaws-tuh-buh l]
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adjective
  1. not exhaustible; incapable of being depleted: an inexhaustible supply.
  2. untiring; tireless: an inexhaustible runner.
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Origin of inexhaustible

1595–1605; < Latin inexhaust(us) not exhausted (see in-3, exhaust) + -ible
Related formsin·ex·haust·i·bil·i·ty, in·ex·haust·i·ble·ness, nounin·ex·haust·i·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for inexhaustible

Contemporary Examples

Historical Examples

  • Following in their footsteps is an inexhaustible efflorescence of prodigies.

    The Dream

    Emile Zola

  • Is there not also inexhaustible wealth in our southern provinces?

  • Here was evidently the source of the Kikuyu's inexhaustible corn supply.

    Freeland

    Theodor Hertzka

  • Their stringy muscles seemed founts of inexhaustible energy.

    White Fang

    Jack London

  • Our Father, in his inexhaustible clemency, heard their prayer.


British Dictionary definitions for inexhaustible

inexhaustible

adjective
  1. incapable of being used up; endlessinexhaustible patience
  2. incapable or apparently incapable of becoming tired; tireless
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Derived Formsinexhaustibility or inexhaustibleness, nouninexhaustibly, 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

Word Origin and History for inexhaustible

adj.

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

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Online Etymology Dictionary, © 2010 Douglas Harper