ONE-UP


Meaning of ONE-UP in English

Pronunciation: ˌ w ə n- ' ə p, ' w ə n-

Function: transitive verb

Etymology: back-formation from one-upmanship

Date: 1963

: to practice one-upmanship on

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.