offensively curious or inquisitive; "curious about the neighbor's doings"; "he flipped through my letters in his nosy way"; "prying eyes"; "the snoopy neighbor watched us all day"
in or to a backstage area of a theater; "costumes were changed backstage"
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"