upstage

Short definition from Wiktionary

Noun

1. 1
   The part of a stage that is farthest from the audience or camera.

Adverb

1. 1
   Toward or at the rear of a theatrical stage.
2. 2
   Away from the audience or camera.

Adjective

1. 1
   At the rear of a stage.
2. 2
   Haughty, aloof.

Verb

1. 1
   To draw attention away from others, especially on-stage.
2. 2
   To force other actors to face away from the audience by staying upstage.
3. 3
   To treat snobbishly.
4. 4
   To restage upward; to restage (a case of a disease, usually a cancer) to a higher stage than that found at last assessment.