精神発達遅滞 せいしんはったつちたい Meanings Noun mental retardation Kanji 精 spirit. Read as セイ. 神 god. Read as シン. 発 emit. Read as ハツ. 達 reach. Read as タツ. 遅 late 滞 linger. Read as タイ. Jinuma: Japanese Dictionary · Word lists