弟さん
otōsannoun★Beginner
formal
A polite or respectful way to refer to someone's younger brother, often used when speaking to or about someone else's family member.
弟さんはとても優しいです。
Your younger brother is very kind.
💡
The 'さん' suffix adds politeness and respect, similar to 'Mr.' or 'Ms.' in English.
Collocations
弟さんの結婚式my younger brother's wedding弟さんの誕生日my younger brother's birthday
Synonyms
Antonyms
Related Phrases
弟さんのお嫁さんphrase
my younger brother's wife
💡Pro Tip
Politeness Level
The 'さん' suffix makes the reference more polite and respectful, suitable for formal or polite conversations.
⚡Gold Rule
Usage Context
Use '弟さん' when speaking to or about someone else's younger brother, not typically for your own brother.
📖Word Origin
Combination of '弟' (younger brother) and 'さん' (polite honorific suffix).
📝Usage Notes
Used when referring to someone else's younger brother in a polite or formal context. Not typically used to refer to one's own brother unless in very formal settings.
Word Breakdown
弟
younger brother
rootさん
polite honorific suffix
suffix和英辞典