noun, noun which may take the genitive case particle 'no'
family circle; in-group; one's own circle
Refers to a close, familiar group such as family, friends, or colleagues, often with a nuance of privacy or exclusivity.
内輪の集まりだから、気楽に来てください。
It's just a get-together among close friends, so please come casually.
その話は内輪だけの秘密にしておこう。
Let's keep that story a secret just within our circle.
noun, noun which may take the genitive case particle 'no'
private matters; internal affairs
Used for issues or matters that are kept within a group and not disclosed to outsiders.
会社の内輪の問題は外部に漏らさないでください。
Please don't leak the company's internal problems to outsiders.
内輪の事情で申し訳ありませんが、今回は参加できません。
Due to personal circumstances, I'm sorry but I can't participate this time.
na-adjective, noun which may take the genitive case particle 'no', noun
conservative; moderate; on the low side
Describes an estimate, figure, or statement that is deliberately cautious or understated, often to avoid exaggeration.
内輪に見積もっても、費用は100万円はかかる。
Even a conservative estimate puts the cost at at least one million yen.
彼の話はいつも内輪だから、実際はもっとすごいんだろう。
He always understates things, so the reality is probably much more impressive.
noun
pigeon toe; in-toeing
Refers to a walking style where the toes point inward. Often used in contrast with 外輪 (そとわ, duck-footed walking).
See also: 外輪 (そとわ)
子供の内輪歩行は成長とともに自然に治ることが多い。
In-toeing in children often corrects itself naturally as they grow.
Compound of 内 (uchi, 'inside') and 輪 (wa, 'circle, ring'), literally meaning 'inner circle'. The 'conservative estimate' sense likely derives from the idea of keeping things within a safe, modest range. The 'pigeon toe' sense is a specialized use referring to the inward-turning shape.