共同

kyōdō

joint, shared, common

彼らは共同でプロジェクトを進めている。

They are working on the project together.

general

Joint or shared by multiple parties; done together or in common.

共同所有の資産

Jointly owned assets

共同作業

Collaborative work

Often used in legal, business, or cooperative contexts to indicate shared responsibility or ownership.

Collocations

共同作業collaborative work共同所有joint ownership共同宣言joint declaration

community

shared living

While '共同' is neutral, related phrases like '共同作業' are common in professional settings.

In contracts, '共同' often specifies joint liability or shared rights.

From Middle Chinese 'gòngtóng' (共同), meaning 'shared' or 'common'.

Can be used in both formal and informal contexts, but often appears in legal or business documents due to its precise nature.

共

together, with

root

同

same, identical

root

和英辞典