from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Not impregnable; capable of being pierced or assailed.


from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ impregnable


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  • David observed piously from the unimpregnable fortress of his lotus position.

    Dead Famous Elton, Ben 2001

  • The poetry of motion is interpreted by the lexicon of instinct; and the unimpregnable grace of a

    Blackwood's Edinburgh Magazine — Volume 55, No. 341, March, 1844 Various

  • Mrs. Bolton could not combat a position of such unimpregnable piety in words, but she permitted herself a contemptuous sniff, and went on getting the things into the dining-room.

    Annie Kilburn : a Novel William Dean Howells 1878


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