upmanship

[ uhp-muh n-ship ]
/ ˈʌp mənˌʃɪp /

noun

Also ups·man·ship [uhps-muh n-ship] /ˈʌps mənˌʃɪp/.

Origin of upmanship

First recorded in 1960–65; shortening of one-upmanship
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019