• synonyms


[in-ig-zaws-tuh-buh l]
See more synonyms for inexhaustible on Thesaurus.com
  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

Related Words for inexhaustibly

handsomely, richly, amply, lavishly, generously, profusely, satisfactorily, sufficiently, affluently, inexhaustibly, luxuriantly

Examples from the Web for inexhaustibly

Historical Examples of inexhaustibly

  • 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.

British Dictionary definitions for inexhaustibly


  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 inexhaustibly



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

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Online Etymology Dictionary, © 2010 Douglas Harper