ひい 曾おじいさん LinksSentence search for 曾おじいさんSentence search for ひいおじいさんSentence search for 曾お祖父さんSentence search for 曽お祖父さんKanji details for 曾Edit in JMdict Noun1. great-grandfatherUsually written using kana aloneOther forms曾お祖父さん 【ひいおじいさん】、曽お祖父さん 【ひいおじいさん】 Discussions Log in to talk about this word.