Definition of monstrousness in English:

monstrousness

noun

See monstrous

‘The Nazi crimes, it seems to me, explode the limits of the law; and that is precisely what constitutes their monstrousness.’
  • ‘Probably they have become numb to the monstrousness of their actions.’
  • ‘The word homicide is wholly inadequate to convey the monstrousness of such a culture.’
  • ‘Then all too rapidly, the horror and monstrousness began to sink in.’
  • ‘Did the war make him monstrous, or was the war a product of his monstrousness?’