|1.||[ noun ] (theater) a stage area out of sight of the audience|
|2.||[ adverb ] out of view of the public; behind the scenes|
"Working backstage to gain political support for his proposal" "many private deals were made backstage at the convention"
|3.||[ adverb ] (theater) in or to a backstage area of a theater|
"costumes were changed backstage"
|4.||[ adjective ] concealed from the public|