共きょう同どう生せい活かつ

きょ

う

ど

う

せ

い

か

つ

Meanings

1

Refers to a shared living arrangement, whether among family, friends, or in a communal setting. Can imply a cooperative lifestyle.

きょう

同どう

生せい

活かつ

を

始はじ

め

た

。

When I was a university student, I started living together with friends.

この施し設せつでは、高こう齢れい者しゃが共きょう同どう生せい活かつを送おくっている。

In this facility, elderly people lead a communal life.

雑ざっ居きょ
共同生活 implies cooperative or shared-purpose living arrangements, while 雑居 just means different people or tenants occupying the same space without any sense of cooperation.
コアビタシオン
コアビタシオン carries a foreign, often social-science or political nuance, whereas 共同生活 is a neutral, native term for shared or communal living not limited to couples.
同どう居きょN1
同居 usually refers to sharing a single household, while 共同生活 more broadly describes communal living, as in a dorm or shared house with several people.

Compound of 共同 (きょうどう, 'joint, cooperative') and 生活 (せいかつ, 'life, living').