覚醒剤 かくせいざい Also written 覚せい剤 Meanings Noun stimulant (e.g. psychoactive drugs like methamphetamine, ritalin, etc.) Kanji 覚 aware. Read as カク. 醒 awaken. Read as セイ. 剤 agent. Read as ザイ. Common phrases 覚醒剤を使用する 覚醒剤を所持する 覚醒剤を使う Jinuma: Japanese Dictionary · Word lists