expression, noun
fellow men; men as a group
Refers to men collectively, emphasizing their shared identity or mutual relationship. Often used in contexts of camaraderie or shared experiences.
男同士で飲みに行くのは楽しい。
It's fun to go drinking with fellow men.
expression, noun which may take the genitive case particle 'no'
between men; among men; man-to-man
Describes interactions, relationships, or situations involving only men. Often used with の to modify nouns, e.g., 男同士の会話 (conversation between men).
男同士の友情は深い。
Friendship between men is deep.
男同士で話し合おう。
Let's talk man-to-man.
Compound of 男 (man) and 同士 (fellow, mutual). The suffix 同士 indicates a reciprocal or shared relationship among the specified group.