Impregnable
in example sentence
They are surrounded by up to 1,000-meter-high walls, resembling a fortress,
impregnable
by humans.
More example sentences with word impregnable
It's a social citadel; it's an
impregnable
fortress which resists any assault, any alternative.
In such a brutal environment, entrepreneurs learn to grow very rapidly, they learn to make their products better at lightning speed, and they learn to hone their business models until they're
impregnable.
The Germans were embedded in this mountain hillside, rocky hillside, in
impregnable
caves, and three allied battalions had been pounding away at it for six months, and they were stalemated.
I'm normally
impregnable
with these sob story movies but this one did it for me.
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