1. inexpugnable - Adjective
2. inexpugnable - Adjective Satellite
Incapable of being subdued by force; impregnable; unconquerable.
Source: Webster's dictionaryThe mind which is free from passions is a citadel, for man has nothing more secure to which he can fly for refuge and for the future be inexpugnable. He then who has not seen this is an ignorant man: but he who has seen it and does not fly to this refuge is unhappy. Marcus Aurelius
The mind which is free from passions is a citadel, for man has nothing more secure to which he can fly for refuge and for the future be inexpugnable. Marcus Aurelius
an impregnable argument Source: Internet
impregnable self-confidence Source: Internet