Upstaged is a theatrical term meaning to divert attention from someone else's performance. It is used to describe a situation where one person's actions or words draw more attention than the person who should be the focus. Some synonyms for upstaged include overshadowed, outshined, outdone, and outperformed. These words are often used to describe instances where one person's performance or presentation has taken away the limelight from another. Other synonyms for upstaged include stole the show, eclipsed, surpassed, and bested. These words are used to describe situations where someone has been outshone or surpassed by another person in a performance or presentation.