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
Such a wellspring of material is seemingly inexhaustible, though the show strains a bit when working to match the festival shooting as a crucible that pushes its cast to the breaking point.
—
Alison Herman, Variety, 5 Jan. 2026
Beyond its thriving market, Spain remains an inexhaustible creative force.
—Leila Cobo, Billboard, 15 Dec. 2025
Built for extreme heat The idea of igniting a star on Earth is fundamental to fusion energy, which is a field widely seen as one of the most promising paths toward clean and virtually inexhaustible power.
—Georgina Jedikovska, Interesting Engineering, 19 Nov. 2025
The show follows Bluey, a loveable and inexhaustible blue heeler (aka Australian Cattle Dog) puppy, and her life with her dad, mom and little sister Bingo.
—Max Goldbart, Deadline, 12 Oct. 2025
See All Example Sentences for inexhaustible
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Alison Herman, Variety, 5 Jan. 2026
Beyond its thriving market, Spain remains an inexhaustible creative force.
—Leila Cobo, Billboard, 15 Dec. 2025
Built for extreme heat The idea of igniting a star on Earth is fundamental to fusion energy, which is a field widely seen as one of the most promising paths toward clean and virtually inexhaustible power.
—Georgina Jedikovska, Interesting Engineering, 19 Nov. 2025
The show follows Bluey, a loveable and inexhaustible blue heeler (aka Australian Cattle Dog) puppy, and her life with her dad, mom and little sister Bingo.
—Max Goldbart, Deadline, 12 Oct. 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 6 Jan. 2026.
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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