impregnable

impregnable
[ɪmˈpregnəbəl]
adjetivo
1inexpugnable (fortress); incontestable (sentido figurado) (argument)

impregnable [im-preg-na-bol]
adjetivo
1Inexpugnable, capaz de impregnación o de impregnarse.

impregnable [ɪmˈpreɡnəbl]
adjective
[+castle] inexpugnable; [+position] invulnerable;

Word of the Day: evidentemente

evidently, plainly, clearly, obviously