あたまう 頭打ち Common word LinksSentence search for 頭打ちSentence search for あたまうちSentence search for ずうちKanji details for 頭 and 打Edit in JMdict Noun1. reaching a peak; reaching the limit; plateauing; maxing outOther forms頭打ち 【ずうち】 Discussions Log in to talk about this word.