1. a piece of work, especially 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. Informal.a medical procedure or operation performed to improve the appearance of a specified part of the body (used in combination): a nose job; a boob job to enlarge her breasts.
9. Slang.a theft or similar criminal action: The police caught the gang that pulled that bank job.
10. a public or official act or decision carried through for the sake of improper private gain.
11. Slang.an example of a specific or distinctive type: That little six-cylinder job was the best car I ever owned.
12. 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.

—verb (used without object), jobbed, job·bing.

13. to work at jobs or odd pieces of work; work by the piece.
14. to do business as a jobber.
15. to turn public business, planning, etc., improperly to private gain.

—verb (used with object), jobbed, job·bing.

16. to assign or give (work, a contract for work, etc.) in separate portions, as among different contractors or workers (often followed by out): He jobbed out the contract to a number of small outfits.
17. to buy in large quantities, as from wholesalers or manufacturers, and sell to dealers in smaller quantities: He jobs shoes in Ohio and Indiana.
18. to get rid of or dispose of: His party jobbed him when he sought a second term in office.
19. to swindle or trick (someone): They jobbed him out of his property.
20. to carry on (public or official business) for improper private gain.

—adjective

21. of or for a particular job or transaction.
22. bought, sold, or handled together: He’s too big a customer to buy in less than job quantities.

—Idioms

23. do a job on, Slang.
    1. to destroy, defeat, damage, or confound thoroughly: The thugs did a job on him—he’ll be in the hospital for a month.
    2. to deceive, persuade, or charm glibly; snow.
24. on the job,alert; observant: The cops were on the job and caught them red-handed.

Origin: 1620–30; 1935–40 for def 15; origin uncertain

—Synonyms
1. See task. 2. See position.