one-upmanshipPronunciation: /wʌnˈʌpmənʃɪp/Translate one-upmanship | into German | into Italian | into Spanish Definition of one-upmanship noun [mass noun] informal the technique or practice of gaining an advantage or feeling of superiority over another person: the one-upmanship of who can get the best presentsone-upmanship in other Oxford dictionaries Definition of one-upmanship in the US English dictionary
