impregnable

adjective

im-ˈpreg-nə-bəl How to pronounce impregnable (audio)
Definition of impregnablenext
1
as in invincible
incapable of being defeated, overcome, or subdued an impregnable fortress that had foiled one invader after another over the centuries

Synonyms & Similar Words

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Antonyms & Near Antonyms
2
as in impervious
impossible to get through or into the castle's supposedly impregnable walls

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.
Recent Examples of impregnable The multiple attacks could be seen as a major victory for the jihadis in a city seen as impregnable despite the jihadis often targeting troops and villages on the outskirts of the city. — ABC News, 16 Mar. 2026 Already fairly impregnable, the Oscars for years has been protected in public view and behind the scenes by a series of federal, regional and local law enforcement groups and departments working in coordination under the auspices of the LAPD. — Dominic Patten, Deadline, 11 Mar. 2026 France believed its Maginot Line of fortresses was impregnable – until the Germans simply went around it. — New Atlas, 19 Feb. 2026 But their quarterback issues could make those defenses look impregnable. — Kevin Cusick, Twin Cities, 30 Nov. 2025 See All Example Sentences for impregnable
Recent Examples of Synonyms for impregnable
  1. invincible
  2. impervious
  3. invulnerable
  4. close
  5. unconquerable
  6. dense
  7. insurmountable
  8. impenetrable
Adjective
  • In 2008, the invincible housing market collapsed having its worst decline since World War Two.
    — Kenneth G. Winans, Forbes.com, 8 July 2026
  • Legally an adult but still a teenager and finding your footing in the world, vacillating between feeling invincible and feeling minuscule.
    — Bailey Johnson, Washington Post, 21 June 2026
Definition of invincible
Adjective
  • The problem is… their opponents will likely be France, a team that looks impervious.
    — Carl Anka, New York Times, 4 July 2026
  • Overloading Your Washer Even the softest of towels are not impervious to improper laundering, and overloading your washer or using too little water can affect how thoroughly the towels are washed.
    — Louise Parks, Martha Stewart, 30 June 2026
Definition of impervious
Adjective
  • Recent conflicts have demonstrated that no main battle tank is invulnerable.
    — Kaif Shaikh, Interesting Engineering, 30 June 2026
  • In the context of law enforcement, is the perception of Black women as inherently aggressive, threatening, and invulnerable to pain.
    — Maia Niguel Hoskin, Forbes.com, 29 June 2026
Definition of invulnerable
Adjective
  • Even though talks with the Boston Red Sox at last year’s deadline never got close, the confusion provided by an incorrect tweet announcing Ryan’s trade to New England put the pitcher at the top of every trade list before the season even began.
    — Dan Hayes, New York Times, 6 July 2026
  • Ashley Smith is the manager of player engagement for the NFL, and the siblings are close.
    — Pete Grathoff, Kansas City Star, 6 July 2026
Definition of close
Adjective
  • The Spurs led for more minutes than the Knicks and built seemingly unconquerable leads.
    — Dana O’Neil, CNN Money, 14 June 2026
  • Ryan Borucki relieved him, the White Sox scored twice more, and the Giants faced an unconquerable deficit as baseball’s lowest-scoring team.
    — Cam Inman, Mercury News, 23 May 2026
Definition of unconquerable
Adjective
  • If caught in dense blowing dust, pull off the road, turn off your lights and keep your foot off the brake.
    — CA Weather Bot, Sacbee.com, 10 July 2026
  • The 23 crew members fought through dense fog and dealt with equipment issues after leaving port on June 5.
    — Jennifer Ouellette, ArsTechnica, 10 July 2026
Definition of dense
Adjective
  • The lady must walk down righteous paths, face seemingly insurmountable obstacles, slay the modern-day equivalent of dragons.
    — David Fear, Rolling Stone, 9 July 2026
  • Strong leadership can help overcome constraints that might otherwise appear insurmountable.
    — Ekramy El Zaghat, Forbes.com, 8 July 2026
Definition of insurmountable
Adjective
  • In placing an increasingly expensive and impenetrable wall around Americans and their savings, banks have crucially and understandably developed a substantial amount of knowledge about their customers.
    — John Tamny, Forbes.com, 10 July 2026
  • The package depicts the usual impenetrable forest of the GAS packaging in stark, thorny monochrome.
    — Daniel Bromfield, Pitchfork, 7 July 2026
Definition of impenetrable

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impregnable
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Cite this Entry

“Impregnable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impregnable. Accessed 13 Jul. 2026.

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Nglish: Translation of impregnable for Spanish Speakers

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