coworker

A coworker is a person who works with one or more others in the same organization, project, or workplace. The term emphasizes shared employment and proximity rather than a formal hierarchical relation. Coworkers may hold different roles and levels of responsibility, and they often interact to coordinate tasks, share information, and support common goals. While some coworkers collaborate closely, others work on separate components of a project or operate on different schedules.

In common usage, the term coworker is largely interchangeable with colleague, though usage varies by region. In American English, coworker is widely used, while British English more often uses colleague. The concept does not imply a friendship or a specific level of authority; a coworker can be a peer, a mentor, or a supervisor, depending on the organizational structure. The idea also differs from an “office mate,” which describes physical proximity rather than professional collaboration.

Workplace dynamics among coworkers influence productivity and morale. Effective coworker relationships rely on professional communication, mutual respect, and appropriate boundaries, along with transparency about responsibilities and deadlines. Potential challenges include miscommunication, competing priorities, or conflicts of interest. Best practices include clear role definitions, documented processes, constructive feedback, and formal channels for resolving disputes. Organizations often promote inclusive, respectful environments to help coworkers collaborate efficiently, share knowledge, and contribute to a positive workplace culture.