1.
grandmother (humble/formal)
The humble or formal term for one's own grandmother. Used when speaking about your grandmother to others in polite contexts.
My grandmother lives far away, so I often go to see her during summer vacation.
祖母 is the humble/formal term for one's own grandmother, used when speaking to others in polite or formal contexts.
Register
- 祖母: humble/formal (about your own grandmother)
- おばあさん: neutral-polite (about someone else's grandmother)
- おばあちゃん: casual/affectionate (direct address or about your own)
- おばあさま: respectful (about someone else's grandmother)
Related words
Usage
In writing, essays, and formal speech, 祖母 is standard. In everyday conversation, most people say おばあちゃん when talking about their own grandmother.
Related Words
Related:
祖父 (grandfather)
Related:
祖父母 (grandparents)
Related:
おば (aunt)
Related:
孫 (grandchild)