1. plural of backstage; the areas behind or to the side of a stage in a theater, not visible to the audience

1. in or to the areas behind or beside the stage; away from public view
Usage: often used figuratively to mean 'in private' or 'behind the scenes'

Examples

• The actors waited backstages before their entrance.
• Backstages, the crew was preparing props for the next scene.
• The director made important decisions backstages during intermission.
• Tensions ran high backstages as opening night approached.
• Visitors were not allowed backstages during the performance.
• The documentary showed what happens backstages at a major theater.
• She worked backstages as a costume designer for ten years.