極悪非道 ごくあくひどう Meanings Noun, な-adjective, の-adjective inhuman; heinous; atrocious Kanji 極 extreme. Read as ゴク. 悪 bad. Read as アク. 非 non- 道 road. Read as ドウ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists