Definition:
Compare impregnable with other words:
impregnable vs. imprenable
impregnable vs. pregnable
impregnable vs. inexpugnable
impregnable vs. unhackable
impregnable vs. invincible
impregnable vs. inexorable
defeatable vs. impregnable
impregnable vs. undefeatable
impregnable vs. unassailable
impregnability vs. impregnable
impregnable vs. impregnate
impregnable vs. penetrate
impenetrable vs. impregnable
impregnable vs. infallible
impregnable vs. indomitable
impregnable vs. strong
adamant vs. impregnable