じょうこう 上皇 Common word LinksSentence search for 上皇Sentence search for じょうこうKanji details for 上 and 皇Edit in JMdict Noun1. retired emperor; ex-emperor; former emperor; emperor emeritusHonorific or respectful (sonkeigo) language, See also 太上天皇, orig. from 太上天皇 Discussions Log in to talk about this word.