one-up

verb \ ˌwən-ˈəp , ˈwən- \
|Updated on: 12 Jul 2018

Definition of one-up

: to practice one-upmanship on

Origin and Etymology of one-up

back-formation from one-upmanship


one up

adjective

Definition of one up

: being in a position of advantage usually used with on

Recent Examples of one up from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'one up.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of one up

1919

in the meaning defined above

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ONE-UP Defined for English Language Learners

one-up

Definition of one-up for English Language Learners

  • : to get an advantage over (someone)


one up

Definition of one up for English Language Learners

  • : having an advantage over someone : in a position that is better than someone else's position


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