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Use "oneupmanship" in a sentence
"In some labs there is a kind of oneupmanship as to who can work the most hours (what, you're going home at 9pm?) - an attitude that is obviously not conducive to having a family or much of a life at all."
"You might easily remember the 80s as an almighty game of oneupmanship between Madonna, Michael Jackson and Prince, two hypersexualised "freaks" and one deeply peculiar man-child."
"Come Saturday, things will be heating up, or rather cooling down in New York hotel oneupmanship, thanks to two new skating rinks opening concurrently at the Standard Hotel and W Downtown."