IMPENETRABLY
Etymology
Adverb
impenetrably (comparative more impenetrably, superlative most impenetrably)
In an impenetrable manner or state; imperviously.
Source: Wiktionary
Im*pen"e*tra*bly, adv.
Definition: In an impenetrable manner or state; imperviously. "Impenetrably
armed." Milton. "Impenetrably dull." Pope.
IMPENETRABLE
Im*pen"e*tra*ble, a. Etym: [L. impenetrabilis; pref. im- not +
penetrabilis penetrable: cf. F. impénétrable.]
1. Incapable of being penetrated or pierced; not admitting the
passage of other bodies; not to be entered; impervious; as, an
impenetrable shield.
Highest woods impenetrable To star or sunlight. Milton.
2. (Physics)
Definition: Having the property of preventing any other substance from
occupying the same space at the same time.
3. Inaccessible, as to knowledge, reason, sympathy, etc.;
unimpressible; not to be moved by arguments or motives; as, an
impenetrable mind, or heart.
They will be credulous in all affairs of life, but impenetrable by a
sermon of the gospel. Jer. Taylor.
Source: Webster’s Unabridged Dictionary 1913 Edition