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EXAMPLE SENTENCES FROM THE WEB

The Prussians held an apparently impregnable position on the Landgrafenberg, a precipitous hill which commanded the town.
NAPOLEON'S MARSHALSR. P. DUNN-PATTISON
These are truths—fixed facts, that quaint theory and exhausted moralising, are impregnable to, and fall harmlessly before.
This done, the fort was declared impregnable, and the tired travellers turned in, well assured of complete security.
At the beginning of this year Antwerp, supposed to have been impregnable, surrendered to Marshal Gerard.
Here, at least, was a citadel impregnable by right-hand defections or left-hand extremes.
TALES AND FANTASIESROBERT LOUIS STEVENSON
It broke up the Tweed Ring, seemingly impregnable, in a single campaign.
It was generally believed in Hooker's army that Lee, finding the position too impregnable, was retiring.
THE BOYS OF '61CHARLES CARLETON COFFIN.
Often they are planted in almost impregnable sites, like the little church of Shwawutha in our illustration.
Against this impregnable place, Burnside launched charge after charge, and never did men go more bravely and certainly to death.
HISTORIC FREDERICKSBURGJOHN T. GOOLRICK
A battle fleet was mobilized and rushed to the spot, but the city was impregnable.
ISLANDS OF SPACEJOHN W CAMPBELL

WORDS RELATED TO IMPREGNABLE

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