Search Result for "fiendishness": 

The Collaborative International Dictionary of English v.0.48:

Fiendish \Fiend"ish\, a. Like a fiend; diabolically wicked or cruel; infernal; malignant; devilish; hellish. -- Fiend"ish*ly, adv. -- Fiend"ish*ness, n. [1913 Webster]