Adjective

(en adjective)

Impossible to eliminate or destroy; impregnable.

* {{quote-book, year=1840, author=Thomas Carlyle, title=Heroes and Hero Worship, chapter=, edition= citation

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

* {{quote-book, year=1911, author=H. G. Wells, title=The Country of the Blind, And Other Stories, chapter=, edition= citation

, passage=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...}}

* {{quote-book, year=1915, author=Joseph Conrad, title=Victory, chapter=, edition= citation

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