im·preg·na·ble /ɪmˈprɛgnəbəl/
(a.)無法攻取的,要塞堅固的,難攻陷的,堅定的
Im·preg·na·ble a. Not to be stormed, or taken by assault; incapable of being subdued; able to resist attack; unconquerable; as, an impregnable fortress; impregnable virtue.
The man's affection remains wholly unconcerned and impregnable. --South.
-- Im*preg*na*ble*ness, n. -- Im*preg*na*bly, adv.
Im·preg·na·ble a. Biol. Capable of being impregnated, as the egg of an animal, or the ovule of a plant.
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impregnable
adj 1: able to withstand attack; "an impregnable fortress";
"fortifications that made the frontier inviolable"
[syn: inviolable, secure, strong, unassailable,
unattackable]
2: impossible to take by storm [syn: inexpugnable]