From the reports of his spies regarding Bergerac, he thought the place was pregnable.
There comes therefore the Statesman who acknowledges to himself that he will be pregnable.
Let us assail this castle: it is pregnable: we shall have double honour.
A cute old soul was Biddy, and extensive the knowledge experience had given her of the pregnable points of general character.
pregnable, preg′na-bl, adj. that may be taken by assault or force.
At the inhospitable silence they waxed restive; they assaulted and forced the pregnable barriers, and invaded the premises.
He did not know each man has his weak point, and that Mortomley's pregnable spot lay close to the colours himself had begotten.
1530s, alteration of Middle English preignable, earlier prenable (early 15c.), from Old French prenable "assailable, vulnerable," from stem of prendre "to take, grasp, seize," from Latin prehendere "to take hold of, to seize" (see prehensile).