off-screen 
adjective
1Not appearing on a cinema, television, or computer screen: he drawls to an off-screen interrogator...
- For me, the comparison would seem to be most valid when it comes to the two auteurs' preoccupations with off-screen space.
- With surround sound, filmmakers are able to explore not only what lies immediately to the sides of the screen but in the entire off-screen space.
- The cartoon short that proceeded the film, Cracked Ice, also featured a self-reflexive joke, an off-screen heckler that we can hear on the soundtrack.
1.1 [attributive] Happening in reality rather than fictionally on-screen: they were off-screen lovers...
- The photo caught a clash between off-screen reality and her on-screen image.
- This on-screen team became an off-screen team on New Year's Eve, 1947.
- There are no visible joins to Kelly's on-screen and off-screen personas.
adverb
1Outside what can be seen on a television or cinema screen: the girl is looking off-screen to the right...
- There is an internal struggle between him and his superiors that takes place almost entirely off-screen and results in a ridiculous, violent finale.
- As she dresses off-screen after being with a client, she smiles, as if satisfied, but gradually her guard drops and a searing sadness transforms her face.
- The camera frames Cui and Zu'er arguing; Cui exits off-screen, and Zu'er calls out to him.
1.1In real life rather than fictionally in a film or on television: happy endings rarely happen off-screen...
- Jeter's experience with the critically acclaimed film has provided him with some fairly miraculous moments off-screen as well.
- So what if the chemistry between the actors spilled off-screen from their on-screen pairing during the film?
- But as Leider's impressive research and masterful writing shows, off-screen he was full of contradictions.
- knock-down-drag-out
- knocker
- knocker-up
- knock-for-knock agreement
- knocking copy
- knocking-off time
- knocking shop
- knock it off
- knock-kneed
- knock knees
- knock off
- knock on
- knock-on effect
- knock on wood
- knock (or blow) someone's socks off
- knock (or hit) someone for six
- knock (or take) the stuffing out of
- knockout
- knockout drops
- knockout mouse
- knock people's heads together
- knock someone back
- knock someone dead
- knock someone down (or over)
- knock someone for six