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Webster 1913 Edition
Impregnable
Im-preg′na-ble
,Adj.
[F.
imprenable
; pref. im-
not + prenable
pregnable, fr. prendre
to take, L. prehendere
. See Comprehend
, Get
to obtain.] Not to be stormed, or taken by assault; incapable of being subdued; able to resist attack; unconquerable;
– as, an
impregnable
fortress; impregnable
virtue.Im-preg′na-ble-ness
, Noun.
Im-preg′na-bly
, adv.
Im-preg′na-ble
,Adj.
[See Impregnate.]
(Biol.)
Capable of being impregnated, as the egg of an animal, or the ovule of a plant.
Webster 1828 Edition
Impregnable
IMPREG'NABLE
, a.1.
Not to be stormed, or taken by assault; that cannot be reduced by force; able to resist attack; as an impregnable fortress.2.
Not to be moved, impressed or shaken; invincible. The man's affection remains wholly unconcerned and impregnable.