What does お姉さん mean?
お姉さん is a Japanese noun meaning “older sister (formal)” in English. It can also be translated as “young lady, miss, ma'am” depending on context. It is written as お姉さん in kanji, おねえさん in hiragana, and oneesan in romaji. This word is part of JLPT N5 vocabulary.
Example sentences
あなたのお姉さんは審美感があるね。
Your sister has a sense of beauty.
ねえ蓮、お姉さんが手をつないであげようか？キミは毎年すぐにはぐれちゃうもんね。
By the way, Ren. Should I take your hand? Every year you wander off.