• One-upmanship

    Full definition of one-upmanship

    Noun

    one-upmanship

    (plural one-upmanships)
    1. (idiomatic) The art or practice of successively outdoing a competitor.They are bent on one-upmanship. I think it's hopeless to try to stop them.He always engaged in one-upmanship.
    2. (idiomatic) A succession of instances of outdoing a competitor.
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