成人病 せいじんびょう Meanings Noun disease common in middle-aged and elderly people; lifestyle disease See also: 生活習慣病 (せいかつしゅうかんびょう). Kanji 成 become. Read as セイ. 人 person. Read as ジン. 病 illness. Read as ビョウ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists