inexpugnable

in- +‎ expugn +‎ -able.

inexpugnable (comparative more inexpugnable, superlative most inexpugnable)

1. Impossible to eliminate or destroy; impregnable.
   • 1840, Thomas Carlyle, Heroes and Hero Worship‎:

     My one hope of the world, my inexpugnable consolation in looking at the miseries of the world, is that this is altering.

   • 1911, H. G. Wells, The Country of the Blind, And Other Stories‎:

     It crept into one's mind, a distress as vague and inexpugnable as a sea fog on a spring morning, and presently one shivered and wanted to go indoors...

   • 1915, Joseph Conrad, Victory‎:

     This seemed to be an inexpugnable refuge, where we could live untroubled and learn to know each other."

• inexpugnability
• inexpugnably

• inexpungable

Borrowed from Latin inexpugnābilis.

• IPA^(key): /i.nɛk.spy.ɲabl/

inexpugnable (plural inexpugnables)

1. impregnable, unassailable

   Synonym: imprenable

• “inexpugnable” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

inexpugnable (plural inexpugnables)

1. unassailable, inexpugnable