同士 (Doushi) is a Japanese noun meaning “fellow, mutual, companion, comrade”.
Meanings
- noun, noun suffixfellow; mutual; companion; comrade
Examples
彼と私はいとこ同士です。
He and I are cousins.
碁のよい相手同士だった。
They were good rivals at go.
日本と韓国は、隣国同士だ。
Japan and South Korea are neighbors.
Sentences from Tatoeba (CC BY 2.0 FR).