極悪非道

ごくあくひどう【極悪非道】

(an) atrocity; brutality; villainy.

●極悪非道の atrocious; monstrous; obscene; most wicked; brutal; devilish; diabolic(al); villainous; 《文》 heinous 《crime》

・極悪非道の大罪 an atrocious [a monstrous, 《文》 a heinous] crime; 《文》 a crime of the deepest [blackest] dye.