upstage

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adverb Toward, at, or on the rear part of a stage.
• adjective Of or relating to the rear part of a stage.
• adjective Informal Haughty; aloof.
• noun The rear part of a stage, away from the audience.
• transitive verb To distract attention from (another performer) by moving upstage, thus forcing the other performer to face away from the audience.
• transitive verb To divert attention or praise from; force out of the spotlight.
• transitive verb To treat haughtily.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The part of a stage that is farthest from the audience or camera.
• adverb toward or at the rear of a theatrical stage.
• adverb away from a motion-picture or television camera.
• adjective At the rear of a stage.
• verb transitive To draw attention away from.
• verb transitive To force other actors to face away from the audience by staying upstage.
• verb transitive To treat snobbishly.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the rear part of the stage
• adjective remote in manner
• verb treat snobbishly, put in one's place
• verb steal the show, draw attention to oneself away from someone else
• verb move upstage, forcing the other actors to turn away from the audience
• adjective of the back half of a stage
• adverb at or toward the rear of the stage