What does 叔父さん mean?
叔父さん is a Japanese noun meaning “(hon.) middle-aged gentleman, uncle” in English. It is written as 叔父さん in kanji, おじさん in hiragana, and ojisan in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
トムは今、彼の叔父と共に暮らしている。
Tom is living with his uncle now.