Atrociousness, barbaric, barbarous, brutal, merciless.

Atrociousness, barbaric, barbarous, brutal, merciless.

Such were the extravagances of superstition to which the image-worship had led the excitable Orientals, that, if Leo had been a wise and temperate reformer, he might have done much good in checking its excesses; but he was himself an ignorant, merciless barbarian.

O barbarous outrage, rudeness merciless!