perniciousness

The absurdities and perniciousness of their moral code were not exceeded by those of their penal code.

But the greatest calamity of war is the perniciousness of it to men's souls.

Of the perniciousness of some of these places there can be no doubt.

The instability of life and happiness was forcibly illustrated, as well as the perniciousness of error.

Its perniciousness is due to an aggravation or sheer exaggeration of the cold stage of an intermittent attack.