Usage examples (33)

• 'Inertia' does not mean want of vigour, but may be metaphorically described as the inexpugnable resolve of everything to have its own way.
• Instinct never yet surrendered to arguments; it is their race-instinct, deep and strong and "inexpugnable," as Carlyle would say.
• Let us now but make them inexpugnable, and they will make themselves universal.
• Therefore 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.