酷 こく Meanings な-adjective, Noun severe; harsh; stringent; rigorous; strict; unfair Kanji 酷 harsh. Read as コク. Words containing 酷 過酷 (かこく) severe 残酷 (ざんこく) cruel 酷似 (こくじ) resembling closely And 27 more. Jinuma: Japanese Dictionary · Word lists