ONE-UPMANSHIP


Meaning of ONE-UPMANSHIP in English

one-up ‧ man ‧ ship /wʌnˈʌpmənʃɪp/ BrE AmE noun [uncountable]

attempts to make yourself seem better than other people, no matter what they do

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.