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Webster 1913 Edition

Impenetrably

Im-pen′e-tra-bly

,

adv.

In an impenetrable manner or state; imperviously.

“Impenetrably armed.”

Milton.

“Impenetrably dull.”

Pope.

Webster 1828 Edition

Impenetrably

IMPEN'ETRABLY

,

adv.

With solidity that admits not of being penetrated.

1.

With hardness that admits not of impression; as impenetrably dull.