Job - 1. a piece of work, esp. a specific task done as part of the routine of one's occupation or for an agreed price: She gave him the job of mowing the lawn. 2. a post of employment; full-time or part-time position: She was seeking a job as an editor. 3. anything a person is expected or obliged to do; duty; responsibility: It is your job to be on time. 4. an affair, matter, occurrence, or state of affairs: to make the best of a bad job. 5. the material, project, assignment, etc., being worked upon: The housing project was a long and costly job. 6. the process or requirements, details, etc., of working: It was a tedious job. 7. the execution or performance of a task: She did a good job. 8. Slang. a theft or similar criminal action: The police caught the gang that pulled that bank job. 9. a public or official act or decision carried through for the sake of improper private gain. 10. Slang. an example of a specific or distinctive type: That little six-cylinder job was the best car I ever owned. 11. Computers. a unit of work for a computer, generally comprising an application program or group of related programs and the data, linkages, and instructions to the operating system needed for running the programs.