内輪
1
family circle;one's circle (of friends, co-workers, etc.);one's fellows;in-group
その浮気は内輪の秘密だ。
That love affair is a family secret.
2
private matters;internal affairs
3
conservative (e.g. estimate);moderate
4
pigeon toe (walking);in-toeing
See also:
外輪 (がいりん)