See Also: impregnable(medicine)
impregnable(1)(dictionary)
impregnable(2)(dictionary)
impregnable(dictionary)

impregnable (oh)



[Date: 1400-1500; Language: Old French; Origin: imprenable 'impossible to capture', from prendre 'to take']
a building that is impregnable is so strong that it cannot be entered by force
::an impregnable fortress
strong and impossible to change or influence
::her impregnable obstinacy