三世 さんせい Meanings Noun three generations third generation immigrant; sansei the third (e.g. Henry III) Kanji 三 three. Read as サン. 世 generation. Read as セイ. Words containing 三世 ルパン三世 (ルパンさんせい) Lupin III (manga, anime, character by Monkey Punch) Jinuma: Japanese Dictionary · Word lists