じい 爺ちゃん LinksSentence search for 爺ちゃんSentence search for じいちゃんSentence search for 祖父ちゃんKanji details for 爺Edit in JMdict Noun1. grandfatherFamiliar language, Usually written using kana alone, See also じいさんNoun2. male senior-citizenUsually written using kana alone, See also じいさんOther forms祖父ちゃん 【じいちゃん】 Discussions Log in to talk about this word.