酷暑 こくしょ Meanings Noun intense heat; severe heat Antonym: 酷寒 (こっかん). Kanji 酷 harsh. Read as コク. 暑 hot. Read as ショ. Words containing 酷暑 酷暑日 (こくしょび) day on which the temperature rises above 40°C Jinuma: Japanese Dictionary · Word lists