What does お兄さん mean?
お兄さん is a Japanese noun meaning “older brother (polite)” in English. It can also be translated as “young man” depending on context. It is written as お兄さん in kanji, おにいさん in hiragana, and oniisan in romaji. This word is part of JLPT N5 vocabulary.
Example sentences
お兄さんは何歳ですか。
How old is your older brother?
田中さんのお兄さんは背が高いです。
Tanaka's older brother is tall.