更正 こうせい Meanings Noun, する verb, Transitive correction; revision; rectification Kanji 更 renew. Read as コウ. 正 correct. Read as セイ. Example sentences シンナーなどの常習性のある物をしてると言う事は、更正する可能性が低いと思います。I think that, as he's using addictive substances like thinner, the chance of rehabilitation is low. Words containing 更正 海面更正 (かいめんこうせい) reduction (of pressure) to mean sea level 更正施設 (こうせいしせつ) correctional facility Jinuma: Japanese Dictionary · Word lists