Definitions of deputy

1. someone authorized to exercise the powers of sheriff in emergencies

2. One appointed as the substitute of another, and empowered to act for him, in his name or his behalf; a substitute in office; a lieutenant; a representative; a delegate; a vicegerent; as, the deputy of a prince, of a sheriff, of a township, etc.

3. A member of the Chamber of Deputies.

4. One appointed to act for another; an agent; a delegate.

5. One deputed or appointed to act for another: a delegate or representative: in U. S. an assistant to a public officer, as Deputy U. S. Marshal.

6. One appointed to act for another.

7. A person delegated to act for another or others; representative.

8. A person appointed or deputed to act for another; representative or delegate; one who exercises an office in another's right.

9. A person appointed to act for another a lieutenant; a viceroy.

10. acting as substitute for another