inexpugnable

adjective

ˌi-nik-ˈspəg-nə-bəl How to pronounce inexpugnable (audio)
Definition of inexpugnablenext
as in stable
having been established and usually not subject to change an inexpugnable belief in the essential goodness of people

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for inexpugnable
  1. stable
  2. unchangeable
  3. unchanging
  4. certain
  5. fixed
  6. final
Adjective
  • Compact optical clocks could eventually contribute to such systems by providing stable timing references onboard vehicles, reducing dependence on external signals.
    — Neetika Walter, Interesting Engineering, 17 Oct. 2026
  • Under some circumstances, however, solutions exist that allow for a stable system even if two such planets interact.
    — Phil Plait, Scientific American, 16 Oct. 2026
Definition of stable
Adjective
  • Written words become unchangeable sentences, all the turbulence of the soul of the moment would seem to freeze to eternity.
    — Phong Nguyen, PEOPLE, 25 Aug. 2026
  • Think of it as giving a huge group of devices the same unchangeable password.
    — Kurt Knutsson, FOXNews.com, 31 July 2026
Definition of unchangeable
Adjective
  • His unchanging mind leads to an act of extreme violence against Leo.
    — Emily Zemler, Los Angeles Times, 2 Oct. 2026
  • Everything remains perfect and unchanging, but thanks to this constant attention.
    — Condé Nast, Condé Nast Traveler, 26 Sep. 2026
Definition of unchanging
Adjective
  • Los Angeles officials began discussing a ban after the city of Rialto became the first to restrict certain sales of nitrous oxide in 2017.
    — Melissa Gomez, Los Angeles Times, 13 Oct. 2026
  • Washington’s export bans restrict their access to the best AI chips, like certain models from Nvidia and AMD, while Beijing has restricted imports of some less powerful options.
    — Simone McCarthy, CNN Money, 13 Oct. 2026
Definition of certain
Adjective
  • Most trailers in this weight class include a topper tent for accommodations or a fixed bed inside a teardrop shell.
    — New Atlas, New Atlas, 1 Oct. 2026
  • For seniors with a fixed income, that extra cash is often spendable money that ends up back in the economy.
    — The Week US, TheWeek, 28 Sep. 2026
Definition of fixed
Adjective
  • Daniel Espino, Erik Sabrowski, Hunter Gaddis and Cade Smith allowed only one baserunner the final four innings.
    — Arkansas Online, Arkansas Online, 16 Oct. 2026
  • The 21st and final season of Keeping Up With the Kardashians aired from March through June 2021.
    — Michael Saponara, Billboard, 15 Oct. 2026
Definition of final
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.

Browse Nearby Words

inexpressive
inexpugnable
inexpungible
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Cite this Entry

“Inexpugnable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inexpugnable. Accessed 21 Oct. 2026.

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