OFFSTAGE
offstage
(adjective) situated or taking place in the area of a stage not visible to the audience; “offstage noises”
offstage, backstage
(adjective) concealed from public view or attention; “offstage political meetings”
offstage
(adverb) not in public; “the deal was done offstage”
offstage
(adverb) behind the scenes; not on stage; “the actors were waiting offstage”
wing, offstage, backstage
(noun) a stage area out of sight of the audience
Source: WordNet® 3.1
Etymology
Adjective
offstage (not comparable)
Of, or relating to that part of a stage not visible to the audience.
Of, or relating to the private life of a celebrity.
Adverb
offstage (not comparable)
Taking place offstage (as above)
Antonyms
• onstage
Source: Wiktionary