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one-upmanship definition

one-upmanship (wun up′mən s̸hip′)

noun

Informal the practice of, or skill in, seizing an advantage or gaining superiority over others

Etymology: one-up + (games)manship

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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