Word.ws English Dictionary

unimpregnable

unimpregnable adjective: not impregnable; capable of being pierced or assailed.

Adjective

unimpregnable (comparative more unimpregnable, superlative most unimpregnable)

  1. Not impregnable; capable of being pierced or assailed.
    • Without being a coward, Jean's courage is not unimpregnable, and therefore plays he not the swaggerer amongst the patients.1840, Pictures of the French, by J. Janin, Balzac, and other authors, page 180
  2. Incapable of being impregnated; impermeable or infertile.
    • The compound rendered the surface of the vessel unimpregnable.
    • Despite fertility treatment, one out of three women in the study remained unimpregnable.

Forms of unimpregnable

comparativemore unimpregnable
superlativemost unimpregnable

Origin of unimpregnable

From un- + impregnable.

Questions about unimpregnable

What does unimpregnable mean?
Unimpregnable means not impregnable; capable of being pierced or assailed.
What part of speech is unimpregnable?
Unimpregnable is an adjective.

Words near unimpregnable in the dictionary

  1. unimposingness
  2. unimpossible
  3. unimpounded
  4. unimpoverished
  5. unimpowered
  6. unimpregnable
  7. unimpregnate
  8. unimpregnated
  9. unimpress
  10. unimpressable
  11. unimpressed

Source and license

Adapted from Wiktionary: unimpregnable (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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