[in-ik-spuhg-nuh-buh l]


incapable of being taken by force; impregnable; unconquerable.

Origin of inexpugnable

1375–1425; late Middle English < Latin inexpugnābilis, equivalent to in- in-3 + expugnābilis (expugnā(re) to take by storm (ex- ex-1 + pugnāre to fight) + -bilis -ble)
Related formsin·ex·pug·na·bil·i·ty, in·ex·pug·na·ble·ness, nounin·ex·pug·na·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for inexpugnable

Historical Examples of inexpugnable

  • But where were they all when my inexpugnable honour was calumniated and betrayed?

  • Here is the inexpugnable element of truth in the intuitional theory.


    John Dewey and James Hayden Tufts

  • Hence the conservative, inexpugnable character of Magic and its easy alliance with Mysticism.

  • She should have made for herself a shelter of inexpugnable peace out of that honest affection.

    Lord Jim

    Joseph Conrad

  • This is the practical side of art: its inexpugnable fortress for the true practitioner.

    Across the Plains

    Robert Louis Stevenson

British Dictionary definitions for inexpugnable



a rare word for impregnable 1
Derived Formsinexpugnability or inexpugnableness, nouninexpugnably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for inexpugnable

late 15c., from Latin inexpugnabilis "not to be taken by assault," from in- "not" (see in- (1) + expuglabilis, from expugnare (see expugn).

Online Etymology Dictionary, © 2010 Douglas Harper