Fiendishness [noun]
Definition of Fiendishness:
outrageous behavior
Sentence/Example of Fiendishness:
A great deal of the fiendishness of schoolboys and the cruelty of children to their elders is produced just in this way.
The American Indian is the international nursery pet because of his traditional fiendishness.
Harriet Kingdon had stood by and uttered no word of warning—I shuddered at the utter fiendishness of it!
It is justly considered an act of bad faith, of infamy or fiendishness, to deceive the enemy by flags of protection.
There was fiendishness everywhere, cruelty married to mania, in which Germany joined.
Try to fancy what new kind of fiendishness must lie in her heart!
There was a fiendishness in his manner that was absolutely repulsive.
O when shall war be recognized in its brutality and fiendishness and hellish horrors?
He was a Negro, and with a fiendishness that was worse than that of cannibals they beat his life out.
For a few minutes he was appalled by the cunning fiendishness which had prompted the act.