inexhaustible
adjective
in·ex·haust·ible
ˌi-nig-ˈzȯ-stə-bəl 
: not exhaustible: such as
a
: incapable of being used up
inexhaustible riches
b
: incapable of being wearied or worn out
an inexhaustible hiker
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
Because it’s supported by Saudi Arabia’s inexhaustible PIF fund, LIV Golf can outlive both Keith Richards and the heartiest cockroach.
—
Fort Worth Star-Telegram, 15 Aug. 2025
Yet this resource is not inexhaustible; the president risks squandering it through his cuts in funding for the National Institutes of Health, hostility to international students, and attacks on research universities.
—Thomas J. Bollyky, Foreign Affairs, 22 July 2025
Madrid, Spain From flamenco to football to flea markets, Spain’s capital is a city of inexhaustible delights.
—Peter Terzian, Travel + Leisure, 8 July 2025
The thrill of Bella exploring her vampiric powers is truly a treat; the lamb becomes the lioness thanks to her own super-speed, inexhaustible strength and nifty force field-generation.
—Edward Segarra, USA Today, 1 July 2025
See All Example Sentences for inexhaustible
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Fort Worth Star-Telegram, 15 Aug. 2025
Yet this resource is not inexhaustible; the president risks squandering it through his cuts in funding for the National Institutes of Health, hostility to international students, and attacks on research universities.
—Thomas J. Bollyky, Foreign Affairs, 22 July 2025
Madrid, Spain From flamenco to football to flea markets, Spain’s capital is a city of inexhaustible delights.
—Peter Terzian, Travel + Leisure, 8 July 2025
The thrill of Bella exploring her vampiric powers is truly a treat; the lamb becomes the lioness thanks to her own super-speed, inexhaustible strength and nifty force field-generation.
—Edward Segarra, USA Today, 1 July 2025
See All Example Sentences for inexhaustible
Cite this Entry
“Inexhaustible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inexhaustible. Accessed 21 Aug. 2025.
Copy CitationKids Definition
inexhaustible
adjective
in·ex·haust·ible
ˌin-ig-ˈzȯ-stə-bəl
1
: impossible to use up
an inexhaustible supply
2
: impossible to tire out
an inexhaustible worker
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