Definition of "upstage"
upstage
/ʌpˈsteɪd͡ʒ/
verb
third-person singular simple present upstages, present participle upstaging, simple past and past participle upstaged
(transitive, by extension) To treat snobbishly.
third-person singular simple present upstages, present participle upstaging, simple past and past participle upstaged
(transitive, by extension) To treat snobbishly.