Wiktionary
a. Not breached; intact.
Usage examples of "unbreached".
He had escaladed Ahmednuggur, surprising its defenders by sending men with ladders against the unbreached walls, and Dodd was certain that Wellesley would similarly try to rush the Inner Fort.
He dared not confess that he was condemning his men to an attack on an Inner Fortress that would have unbreached walls and well-prepared defenders.
But the far slope was sunlit, and that slope was a precipitous climb to an unbreached wall, and at the wall's eastern end was a massive gatehouse, far bigger than the one that had just been captured, and that far gatehouse was thick with soldiers.
The circle of stillness that surrounded the Morrigierj stayed unbreached, while Gierjl-ings danced across lava with complete and terrifying impunity.
Conde returned the cryptogram to the inhabitants, and on Sunday, April 30, 1628, though its fortifications were still unbreached and its defenses still apparently adequate for a long siege, Realmont suddenly and unexpectedly capitulated.