fiendish : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: fiendish	by the DICT Development Group
2 results for fiendish
From WordNet (r) 3.0 (2006) [wn]:
fiendish adj extremely evil or cruel; expressive of cruelty or befitting hell; "something demonic in him--something that could be cruel"; "fires lit up a diabolic scene"; "diabolical sorcerers under the influence of devils"; "a fiendish despot"; "hellish torture"; "infernal instruments of war"; "satanic cruelty"; "unholy grimaces" Synonym(s): demonic, diabolic, diabolical, fiendish, hellish, infernal, satanic, unholy
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Fiendish \Fiend"ish\, a. Like a fiend; diabolically wicked or cruel; infernal; malignant; devilish; hellish. -- {Fiend"ishly}, adv. -- {Fiend"ishness}, n.