adverb 1.off the
stage or in the wings; away from the view of the audience ( opposed to
onstage ).
2.in one's private life rather than on the
stage:
Offstage the actress seemed rather plain.
adjective 3.not in view of the audience; backstage, in the wings, etc.: an offstage crash.
4.withheld from public view or attention; private: offstage political meetings.