頭打ち あたまうち Also written ずうち Meanings Noun reaching a peak; reaching the limit; plateauing; maxing out Kanji 頭 head. Read as あたま. 打 hit. Read as うち. Example sentences 離婚率はやがて頭打ちになるでしょう。Divorce rates might reach a plateau soon. Common phrases 頭打ちになる Jinuma: Japanese Dictionary · Word lists