IMPERVIOUSLY

Etymology

Adverb

imperviously (comparative more imperviously, superlative most imperviously)

In an impervious manner; impenetrably; impermeably.

Source: Wiktionary

IMPERVIOUS

Im*per"vi*ous, a. Etym: [L. impervius; pref. im- not + per through + via way. See Voyage.]

Definition: Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air. This gulf impassable, impervious. Milton. The minds of these zealots were absolutely impervious. Macaulay.

Syn.

– Impassable; pathless; impenetrable; imperviable; impermeable.

– Im*per"vi*ous*ly, adv.

– Im*per"vi*ous*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition