Not of or pertaining to the theater (where drama is performed).(adjective)
Not of or pertaining to a theater of war.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "nontheater" in a sentence
"There's certainly a risk in alienating nontheater audiences."
"There have been other signs of hope: "Passing Strange" (2006) was built around a nontheater musician, Stew; "Once" (2011), opening on Broadway this spring, has some awfully beautiful indie rock songs performed by a stage full of string-playing actors; and of course there's Billie Joe Armstrong."
"However, all soldiers received 31 general, nontheater-specific pieces to be worn every day in any environment."