Open English Wordnet
Nouns
Adjectives
(a)offstagesituated or taking place in the area of a stage not visible to the audience“offstage noises” (s)offstage, backstageconcealed from public view or attention“offstage political meetings” Adverbs
(r)offstagebehind the scenes; not on stage“the actors were waiting offstage” (r)offstagenot in public“the deal was done offstage”