Copyright © 2026 Kotomora. All Rights Reserved.
じいさん (jiisan) Japanese meaning: grandfather | Kotomora
Report an issue with this page
の
家いえ
へ
行い
っ
た
。
I went to my granddad's house during summer vacation.
My granddad takes a walk every morning.
Usage patterns 〈 場ば 所しょ 〉 のじいさん the old man from a certain place (a familiar elderly man)
The old man from the neighborhood is growing flowers in his garden.
〈 人ひと 〉 じいさん old Mr. So-and-so (a name plus じいさん as a familiar honorific)
Old Mr. Sato is always sitting on the bench in the park.
頑がん 固こ なじいさん a stubborn old man (typical adjective describing an old man)
He's a stubborn old man who won't listen to others' opinions.
Kanji 祖 ancestor, pioneer, founder Related words 爺ちゃん is warmer and more childlike than 爺さん, closer to 'grandpa' than the plainer 'grandfather' feel of 爺さん.
お年寄り is a neutral, respectful way to say 'elderly person' regardless of gender, while 爺さん is a familiar, sometimes blunt term specifically for an old man.
爺さん is a blunter, less polite way of saying old man, while おじいさん adds the polite お prefix and sounds warmer or more respectful.
Politeness おじいさん is the polite, safer version of 爺さん used in most everyday or formal contexts, while 爺さん sounds blunt or overly casual.
祖父 is the neutral, formal term used to refer to one's own grandfather when speaking to others, whereas 爺さん is a casual, familiar word.
Counted with More formal than 人 — used for headcounts in reservations, staff lists, and announcements (5名様).
The everyday counter for people: 一人 (ひとり), 二人 (ふたり), 三人 (さんにん).
Written forms 爺じい さん
Common kanji spelling, especially for the sense 'old man' or 'male senior citizen'; it can feel a little blunt depending on context.
祖父じい さん
rarely-used kanji form
Rare kanji form; most relevant to the 'grandfather' sense and less common than kana or 爺さん.
Etymology Formed from じい, associated with 爺 meaning 'old man; grandfather', plus the honorific/familiar suffix さん. The spelling 祖父さん aligns the word with 祖父 'grandfather' but is marked rare.