One-upmanship is the art or practice of successively outdoing a competitor. Exactly when the term originated is unknown; several examples are known from the early 1900s. It was used in the title of a book by Stephen Potter, published in 1952 as a follow-up to The Theory and Practice of Gamesmanship (or the Art of Winning Games without Actually Che...
[n] - the practice of keeping one jump ahead of a friend or competitor
noun the practice of keeping one jump ahead of a friend or competitor