Meaning and Usage
"共同" (きょうどう) means "joint," "shared," or "cooperative." It is used to describe actions, projects, or efforts done together by two or more parties. This word often appears in formal or business contexts but is also common in everyday conversation when emphasizing collaboration.
Common Collocations
- 共同作業 (きょうどうさぎょう): joint work or operation, used when multiple people or groups work together on a task.
- 共同開発 (きょうどうかいはつ): joint development, often used in business or technology contexts.
- 共同生活 (きょうどうせいかつ): living together, shared living arrangements.
Usage Notes
When using "共同," the focus is on the shared nature of the activity or responsibility. It implies equal participation or partnership rather than one-sided assistance. Avoid confusing it with "協力" (きょうりょく), which means cooperation but can sometimes imply helping rather than equal partnership.
Register and Politeness
"共同" is neutral and can be used in both formal and informal contexts. It is common in written language, business, and official announcements.
Learner Tips
Be careful not to use "共同" when you mean simple cooperation or help from one side. Use it when emphasizing that multiple parties are equally involved in the action or project.