unquenchable

adjective

un·​quench·​able ˌən-ˈkwen-chə-bəl How to pronounce unquenchable (audio)
Synonyms of unquenchablenext
: unable to be quenched
an unquenchable flame
especially : not capable of being satisfied, quelled, or discouraged
an unquenchable thirst/desire
unquenchable optimism
unquenchably adverb

Examples of unquenchable in a Sentence

from a very early age she displayed an unquenchable curiosity about the natural world
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.
New Trier soccer star Addy Randall has an unquenchable thirst to compete. Matt Le Cren, Chicago Tribune, 8 June 2026 People who become artists typically have both a great talent and an unquenchable thirst for attention, and theatre offers a stage for the former and the most direct possible relief for the latter. Deborah Treisman, New Yorker, 1 June 2026 The thirst for more Summer House drama is unquenchable. Bethy Squires, Vulture, 30 Apr. 2026 An unquenchable thirst to improve propelled him forward. Zack Meisel, New York Times, 29 Apr. 2026 See All Example Sentences for unquenchable

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of unquenchable was in the 14th century

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Cite this Entry

“Unquenchable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unquenchable. Accessed 4 Jul. 2026.

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