offstage

• off-stage

off +‎ stage

offstage (not comparable)

1. Of or relating to that part of a stage not visible to the audience.
2. Of or relating to the private life of a celebrity.

offstage (not comparable)

1. Taking place offstage (as above)

• onstage

offstage (third-person singular simple present offstages, present participle offstaging, simple past and past participle offstaged)

1. (transitive) To relegate (part of a play) to the offstage area, rather than showing it to the audience.
   • 2009, Rodney Edgecombe, Aspects of Form and Genre in the Poetry of Edwin Morgan, page 94:

     A boy has just murdered another one year older than himself, but Morgan offstages the event as a nuntius would the horrors of Greek tragedy.