inexhaustible

adjective

in·​ex·​haust·​ible ˌi-nig-ˈzȯ-stə-bəl How to pronounce inexhaustible (audio)
: not exhaustible: such as
a
: incapable of being used up
inexhaustible riches
b
: incapable of being wearied or worn out
an inexhaustible hiker
inexhaustibility noun
inexhaustibleness noun
inexhaustibly adverb

Examples of inexhaustible in a Sentence

The world's supply of oil is not inexhaustible. He seems to have inexhaustible energy.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
California already buys and sells electricity throughout the West without ceding power to a regional operator, just not in enough quantity for the inexhaustible hunger of AI data centers. Jamie Court, Mercury News, 19 Apr. 2025 Then there are the fish stories told by Mr. Mulliner at his local pub the Angler’s Rest, involving his inexhaustible circle of relatives. Michael Hiltzik, Los Angeles Times, 18 Apr. 2025 Whitfield has just come up with a new and inexhaustible way to rape this land. Amanda Whiting, Vulture, 2 Mar. 2025 The list of jaw-dropping names in attendance every year is virtually inexhaustible. Jem Aswad, Variety, 31 Jan. 2025 See All Example Sentences for inexhaustible

Word History

First Known Use

1601, in the meaning defined above

Time Traveler
The first known use of inexhaustible was in 1601

Browse Nearby Words

Cite this Entry

“Inexhaustible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inexhaustible. Accessed 22 Apr. 2025.

Kids Definition

inexhaustible

adjective
in·​ex·​haust·​ible ˌin-ig-ˈzȯ-stə-bəl How to pronounce inexhaustible (audio)
1
: impossible to use up
an inexhaustible supply
2
: impossible to tire out
an inexhaustible worker
inexhaustibility noun
inexhaustibly adverb

More from Merriam-Webster on inexhaustible

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!