verb (used with object), up·staged, up·stag·ing.
Examples from the Web for upstage
So, Streep rewrote much of her dialogue, which led to tension with her co-star, Hoffman, who felt she was trying to upstage him.Co-Stars Who Hated Each Other: Ryan Gosling and Rachel McAdams in 'The Notebook' and More|Marlow Stern|July 4, 2014|DAILY BEAST
Daily Pic (Venice Biennale Edition): Yuri Ancarani shows that medical magic can upstage the aesthetic kind.
It takes great talent to upstage a man accepting his party's presidential nomination.
In terms of attire, one did not upstage the other by looking more sophisticated or fashionable—or elitist, God forbid.
Few are native-born New Yorkers, and scarcely any of them go around with their noses in the air in an "upstage Eastern manner."If You Don't Write Fiction|Charles Phelps Cushing
Single rose-coloured corduroy curtain for archway up R. hung on upstage side of arch.Mr. Pim Passes By|Alan Alexander Milne
Upstage, burned a driftwood fire in a low hearth of rough bricks; Judge Tiffany sat there, in a spindle-backed chair, reading.The Readjustment|Will Irwin
A similar door, opening into the bedroom of the shack, upstage right.Fifty Contemporary One-Act Plays|Various
British Dictionary definitions for upstage
Word Origin and History for upstage
1918 (adj.), 1921 (v.); the notion is of drawing attention to oneself (and away from a fellow actor) by moving upstage -- to the rear of the stage -- so that the other actor must face away from the audience. The noun upstage "back of the stage" is recorded from 1870.