冷酷無残 れいこくむざん Also written 冷酷無惨, 冷酷無慚, 冷酷無慙 Meanings Noun, な-adjective cruel and heartless; merciless; implacable; cold-blooded Kanji 冷 cool. Read as レイ. 酷 harsh. Read as コク. 無 without 残 remain. Read as ザン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists