Incredibly sturdy, it had been built to serve as a nuclear bomb shelter if necessary, supposedly an impregnable fortress of civil defense.
He's seen what looked like an impregnable 22-point lead slashed to just two ahead of me.
After all, within the space of a three-month election campaign she managed to squander a seemingly impregnable lead of 22 percent over the SPD.
Austria ruled directly only in the newly formed Kingdom of Lombardy-Venetia, but from the impregnable fortresses of the Quadrilateral in the central Po Valley Austrian bayonets could reach any part of Italy.
Labyrinthine streets of ancient slum housing traversed the steep hill up to the impregnable city walls.
But sometime during the final week your impregnable fortress crashes and burns, but you land on your feet at the very end of the month.
However, instead of building the fort on a hill, the impassable wetlands were used to create an impregnable site, the biggest marshland in England.
But he had other things in mind - plans that had been consuming his soul since he had escaped from La Fortaleza, the once impregnable fortress that had fallen a little over a year ago.
Yes sir, but we think that the position is impregnable and we can hold it against far superior forces.
He was impregnable , unbeatable, and nothing, no creature could even come close to conquering the mighty Kong.