one–up

play
verb \ˌwən-ˈəp, ˈwən-\

Definition of one–up

  1. transitive verb
  2. :  to practice one-upmanship on

Origin and Etymology of one–up

back-formation from one-upmanship


ONE–UP Defined for English Language Learners

one-up

play
verb

Definition of one–up for English Language Learners

  • : to get an advantage over (someone)

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