Upstage | Mean of upstage in English Dictionary

/ˈʌpˈsteɪʤ/

• toward the back part of a stage
1. The actor moved upstage.
• Verb
• to take attention away from (someone or something else, such as another performer)
1. The children upstaged the adult performers. [=people watched the children more than the adults]
2. We don't want the flower girl upstaging the bride.
3. My apple pie was upstaged by her chocolate cake.