This was the first time he had smarted in his penetrable part—the skin—and it made him very spiteful.
Actually, he had placed his soldiers in a most penetrable trap.
The one penetrable point in his ironclad nature had not been reached yet.
If it is nothing, nothing can have no quality; yet you tell me that it is penetrable and immense.
He felt the situation was as penetrable as a thick wall of sponge rubber backed by a ten-foot foundation of steel.
The skin is, in some parts, so thick and hard as scarcely to be penetrable by the sharpest sabre, or even by a musket-ball.
European civilization has discovered a penetrable spot in the dense armor Page 416of African barbarism.
The thoughtless objection about the only penetrable points is, I hope, swept aside forever.
But this is not how you understand the matter: you mean accessible to the sting, in a word, penetrable.
It is precisely through this that there seems hope, from the very beginning, of his proving to be made of "penetrable stuff."
early 15c., "penetrating," from Latin penetrabilis "penetrable, vulnerable," from penetrare (see penetrate). Meaning "capable of being penetrated" is attested from 1530s; figurative use by 1590s. Related: Penetrability.