お兄さん

• 読み: おにいさん
• ローマ字: oniisan
• 漢字の分解: 兄 (nii/ani) — older brother; お〜さん — honorific address form
• 発音: /o.niː.saɴ/

意味

Older brother; elder brother. The polite or familiar term of address.

The honorific form used when addressing your own older brother directly or referring to someone else's older brother. Can also be used casually to address a young man you don't know. Contrasts with 兄, the humble form used when talking about your own brother to outsiders.

例文

1. お兄さんは何歳ですか。
2. お兄さんに自転車を借りました。
3. 山田さんのお兄さんはとても背が高いです。

使い方ガイド

場面: home life, talking about others' brothers, direct address

トーン: warm

起源と歴史

Formed by adding the honorific prefix お to 兄さん (niisan). This honorific pattern is consistent across family terms in Japanese.

文化的背景

時代: Edo period

世代: All ages

社会的背景: Universal