one-upmanship

[wuhn-uhp-muh n-ship] /ˈwʌnˈʌp mənˌʃɪp/
noun
1.
the art or practice of achieving, demonstrating, or assuming superiority in one's rivalry with a friend or opponent by obtaining privilege, status, status symbols, etc.:
"the one-upmanship of getting into the president's car pool."
Also, one-upsmanship
[wuhn-uhps-muh n-ship] /ˈwʌnˈʌps mənˌʃɪp/ (Show IPA)
.
Also called upmanship, upsmanship.
Origin
1950–55; one up + -manship
British Dictionary definitions for one upmanship
one-upmanship (wʌnˈʌpmənʃɪp)
 
n
informal the art or practice of achieving or maintaining an advantage over others, often by slightly unscrupulous means

Collins English Dictionary - Complete & Unabridged 10th Edition
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Slang definitions & phrases for one upmanship

one-upmanship

noun

The technique and practice of having the advantage over one's opponent, esp keeping a psychological advantage by low cunning and subtle brilliance : a wide-open but good-humored game of political one-upmanship

[1952+; coined by the late British humorist Stephen Potter as a book title]


Dictionary of American Slang
Copyright © 1986 by HarperCollins Publishers
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Difficulty index for one upmanship

Few English speakers likely know this word

Tile value for one

3
4
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