(そぼ)

そぼ
noun
grandmother (humble)
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.
祖母(そぼ)元気(げんき)です。
My grandmother is well.
祖母(そぼ)今年(ことし)八十歳(はちじゅっさい)なります
My grandmother will turn 80 this year.
I call my grandmother every week.
My grandmother lives far away, so I often go to see her during summer vacation.
My grandmother was a teacher when she was young. She still likes reading books.

祖母(そぼ) is the humble/formal term for one's own grandmother, used when speaking to others in polite or formal contexts.

FAMILY TERM REGISTER:

  • 祖母(そぼ): 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)

COMPANION TERMS:

  • 祖父(そふ): grandfather (same humble/formal register)
  • 祖父母(そふぼ): grandparents

USAGE:
In writing, essays, and formal speech, 祖母(そぼ) is standard. In everyday conversation, most people say おばあちゃん when talking about their own grandmother.

NOTE:
外祖母(がいそぼ) specifically means maternal grandmother, and 内祖母(ないそぼ) means paternal grandmother, but these terms are rarely used in daily conversation.