inexpugnable

[ in-ik-spuhg-nuh-buh l ]
/ ˌɪn ɪkˈspʌg nə bəl /

adjective

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for inexpugnable

British Dictionary definitions for inexpugnable

inexpugnable

/ (ˌɪnɪkˈspʌɡnəbəl) /

adjective

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