同士(どうし)

どうし
noun, suffix
fellow, comrade
1. fellow, comrade, companion
People who share the same status, characteristic, or situation. Often used as a suffix meaning 'among ~' or '~ with each other'.
男(おとこ)同士(どうし)の会話(かいわ)だ。
It's a conversation between men.
仲間(なかま)同士(どうし)で助(たす)け合(あ)おう。
Let's help each other as comrades.
友達(ともだち)同士(どうし)で旅行(りょこう)に行(い)った。
I went on a trip with friends.
友達同士 = among friends

USAGE: 同士(どうし) is often used as a suffix attached to nouns to mean 'among ~' or '~ with each other'. It emphasizes shared membership in a group.

COMMON PATTERNS:

  • 〜同士(どうし) (among ~, between ~)
  • 友達(ともだち)同士(どうし) (among friends)
  • 仲間(なかま)同士(どうし) (among companions)
  • 男(おとこ)/女(おんな)同士(どうし) (among men/women)
  • 恋人(こいびと)同士(どうし) (as lovers)
  • 親子(おやこ)同士(どうし) (between parent and child)

HOMOPHONE:

  • 動詞(どうし) (verb) - same reading, different meaning

SIMILAR WORDS:

  • 仲間(なかま) (companion, colleague)
  • 同僚(どうりょう) (colleague at work)
  • お互(たが)い (each other, mutual)

Related Words

Contrast: 動詞(どうし) (verb (homophone))
Related: 仲間(なかま) (companion)
general
Added 2026.1.12 18:52 · Revised 2026.3.1 9:20
03000/03474_doushi