Definition of one-upmanship
- engaged in a round of verbal one-upmanship
: behavior in which someone tries to get an advantage by doing, saying, or having better things than someone else
What made you want to look up one-upmanship? Please tell us where you read or heard it (including the quote, if possible).
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Test your visual vocabulary with our 10-question challenge!TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.TAKE THE QUIZ