Definitions

1. noun

the quality of being competitive and trying to outdo others, especially in showing off one’s status or possessions

“The wealthy businessman’s display of his new yacht was a show of upmanship, intended to impress his business rivals.”

2. noun

the quality of trying to outdo others, especially in social situations

“The couple’s expensive wedding was a display of upmanship, meant to outshine their friends’ more modest celebrations.”