同士
also: どし
Meanings
1
fellow; mutual; companion; comrade
Used as a suffix to indicate people sharing a common attribute, situation, or relationship. Also used as a standalone noun meaning 'fellows' or 'comrades'. The suffix use is very productive.
He and I have been comrades for a long time.
People who share the same hobby got together and formed a club.
It's important for neighbors to help each other.
Usage patterns
- 〈人〉同士で〈動詞〉among/between people of the same kind, doing something together
The cats are fighting with each other.
- 〈人〉同士の〈事〉a relationship, conflict, or matter between two parties of the same category
Conflicts between countries are hard to resolve.