one-to-one

adjective

1
: pairing each element of a set uniquely with an element of another set
2

Examples of one-to-one 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.
The new pair isn’t a one-to-one remake of the Air Foamposite One’s look, which featured a swirling mix of blues and purples. Riley Jones, Footwear News, 15 Feb. 2026 The one-to-one sit-downs were another example of the lengths to which Bielsa went in preparing his players for every eventuality. Beren Cross, New York Times, 13 Feb. 2026 The program also aims to reduce the US’s current reliance on a one-to-one operator-to-drone model that limits deployment speed. Chris Young, Interesting Engineering, 10 Feb. 2026 This happening in a very, one-to-one, very kind of community-level aspect. Charlie Warzel, The Atlantic, 30 Jan. 2026 See All Example Sentences for one-to-one

Word History

First Known Use

1873, in the meaning defined at sense 1

Time Traveler
The first known use of one-to-one was in 1873

Browse Nearby Words

Cite this Entry

“One-to-one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one-to-one. Accessed 24 Feb. 2026.

Kids Definition

one-to-one

adjective
ˌwən-tə-ˈwən
: pairing each element of a set with one and only one element of another set
a one-to-one correspondence between the real numbers and the points on a straight line
Last Updated: - Updated example sentences
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