じいさん
Meanings
Noun
Usually written in kana
1. grandfather
usu. お祖父さん
2. male senior-citizen
usu. お爺さん
Kanji used
honorable
old geezer
Pitch accent
いさん
Composed of
honorific/polite/humble prefix
grandfather (may be used after name as honorific); male senior-citizen (may be used after name as honorific)