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How to say "uncle" in Japanese

おじさん · ojisan

"Uncle" in Japanese is おじ (oji) for your own uncle and おじさん (ojisan) when speaking politely.

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Ways to say "uncle" in Japanese

JapaneseWhen to use it
おじさん · ojisanUncle (polite); middle-aged man.
おじ · ojiUncle (your own, when talking to others).
おじ · ojiUncle in writing: 伯父 is older than your parent, 叔父 is younger.

How to use it

In writing, 伯父 is an uncle older than your parent and 叔父 is younger. Both are read おじ.

Careful: おじさん also means a middle-aged man, and おじいさん (long ii) means grandfather.

Example sentences

Questions

What is the difference between おじさん and おじいさん?

おじさん (ojisan, short i) is uncle or a middle-aged man. おじいさん (ojiisan, long ii) is grandfather or an elderly man.

How do you say "aunt" in Japanese?

Aunt is おば (oba), or おばさん (obasan) when speaking politely.

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