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Webster 1913 Edition
Impenetrable
Im-pen′e-tra-ble
,Adj.
[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
shieldHighest woods
To star or sunlight.
impenetrable
To star or sunlight.
Milton.
2.
(Physics)
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 heartThey will be credulous in all affairs of life, but
impenetrable
by a sermon of the gospel. Jer. Taylor.
Webster 1828 Edition
Impenetrable
IMPEN'ETRABLE
,Adj.
1.
That cannot be penetrated or pierced; not admitting the passage of other bodies; as an impenetrable shield.2.
Not to be affected or moved; not admitting impressions on the mind. The hardened sinner remains impenetrable to the admonitions of the gospel.3.
Not to be entered by the sight; as impenetrable darkness. Hence,4.
Not to be entered and viewed by the eye of the intellect; as impenetrable obscurity or abstruseness.Definition 2024
impénétrable
impénétrable
See also: impenetrable