Found 1 items, similar to fiendishness.
English → English (gcide) Definition: Fiendishness 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]