adj. cruel, savage, inhuman, monstrous, ghoulish, malignant, malevolent, malicious, wicked, evil, bad, black-hearted, satanic, devilish, Mephistophelian, demonic, demoniac(al), diabolic(al), cacodemonic, hellish, infernal He sniggered with fiendish glee as he tightened the thumbscrew
FIENDISH
Meaning of FIENDISH in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012