offstage (Adjective) — Situated or taking place in the area of a stage not visible to the audience. ex. "offstage noises"
offstage (Adjective) — Concealed from public view or attention. ex. "offstage political meetings"
offstage (Noun) — A stage area out of sight of the audience.
offstage (Adverb) — Behind the scenes; not on stage. ex. "the actors were waiting offstage"
offstage (Adverb) — Not in public. ex. "the deal was done offstage"