unimpregnable

U1N1I1M3P3R1E1G2N1A1B3L1E1

adjective

Not impregnable; capable of being pierced or assailed.

“The compound rendered the surface of the vessel unimpregnable.”

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Meanings

adjectiveunimpregnable (comparative more unimpregnable, superlative most 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.

    1 more example

    Despite fertility treatment, one out of three women in the study remained unimpregnable.

Origin

From un- + impregnable.

Full word history & related roots →
Cite this entry
APA

unimpregnable. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/unimpregnable

MLA

“unimpregnable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unimpregnable. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “unimpregnable,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/unimpregnable.

Source: unimpregnable on Wiktionary, CC BY-SA 4.0.