[bak-ground] 
| 1. | the ground or parts, as of a scene, situated in the rear (opposed to foreground ). |
| 2. | Fine Arts.
|
| 3. | one's origin, education, experience, etc., in relation to one's present character, status, etc. |
| 4. | the social, historical, and other antecedents or causes of an event or condition: the background of the war. |
| 5. | the complex of physical, cultural, and psychological factors that serves as the environment of an event or experience; the set of conditions against which an occurrence is perceived. |
| 6. | Physics. the totality of effects that tend to obscure a phenomenon under investigation and above which the phenomenon must be detected. |
| 7. | Telecommunications. (in an electronic device for transmitting or receiving signals) the sum of the effects, as noise or random signals, from which a phenomenon must differentiate itself in character or degree in order to be detected. |
| 8. | of, pertaining to, or serving as a background: background noise. |
| 9. | to supply a background to: The passenger's idle thoughts were backgrounded by the drone of the plane's engines. |
| 10. | to supply a background of information for: To background themselves, reporters dug through all available files on the case. |
| 11. | in or into the background, unobtrusive; inconspicuous; out of sight or notice; in or into obscurity: He kept his dishonest dealings in the background. |
