✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

one-up

1 of 2

verb

ˌwən-ˈəp How to pronounce one-up (audio)
ˈwən-
one-upped; one-upping; one-ups

transitive verb

: to practice one-upmanship on
always trying to one-up each other by buying the latest gadgets

one up

2 of 2

adjective

: being in a position of advantage
usually used with on
He finished his assignment early, which put him one up on me.

Examples of one-up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Sure, any place full of people trying to network and one-up each other is basically a waking nightmare. Caroline Framke, Vulture, 24 Nov. 2025 The series stars Naomi Watts, Niecy Nash-Betts, Teyana Taylor, Matthew Noszka, Sarah Paulson and Glenn Close, who all one-up each other with deliriously absurd lines of dialogue. Ethan Shanfeld, Variety, 24 Nov. 2025 Rojas’ play in the ninth was fantastic, but then Andy Pages one-upped him with a leaping catch on Ernie Clement’s long drive to left-center while colliding with Kiké Hernández. Fabian Ardaya, New York Times, 2 Nov. 2025 Plainly, Miami was surprised by how Louisville came out, Cards coach Jeff Brohm one-up on Cristobal’s staff. Miami Herald, 18 Oct. 2025 See All Example Sentences for one-up

Word History

Etymology

Verb

back-formation from one-upmanship

First Known Use

Verb

1963, in the meaning defined above

Adjective

1919, in the meaning defined above

Time Traveler
The first known use of one-up was in 1919

Browse Nearby Words

Cite this Entry

“One-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one-up. Accessed 29 Nov. 2025.

More from Merriam-Webster on one-up

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!