Offstage

1. прилагательное 1) закулисный, происходящий за кулисами 2) закулисный; кулуарный, негласный Синоним(ы): backstage, behind-the-scenes 2. наречие 1) за кулисами, за сценой 2) неофициально, в кулуарах

Большой англо-русский словарь

Offstage

adverb or adjective 1. on a part of the stage not visible to the audience 2. in private life Example: known offstage as a kindly person 3. behind the scenes; out of the public view Example: much of the important work of the conference was done offstage

Merriam-Webster's Collegiate Dictionary