おじいさま
お
じ
い
さ
ま
Meanings
1
honorific or respectful (sonkeigo)usually written using kana alone
Respectful term for one's own or someone else's grandfather. More formal and polite than おじいさん.
My grandfather will be eighty years old this year.
I received a letter from my grandfather.
2
elderly man (honorific)
honorific or respectful (sonkeigo)usually written using kana alone
Respectful way to refer to an elderly man, not necessarily a relative. Can be used as a term of address.
That elderly gentleman takes a walk in the park every morning.
Sir, shall I carry your luggage for you?