one-to-one

adjective

ˌwən-tə-ˈwən How to pronounce one-to-one (audio)
-də-
1
: pairing each element of a set uniquely with an element of another set
2
: one-on-one sense 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.
Although not a one-to-one comparison, some of his runs give flashbacks of Nick Chubb because of his contact balance. — Dane Brugler, New York Times, 26 Aug. 2026 Which then prompts the question of what type of discipline York could face, to which there is no one-to-one comparison. — Chris Biderman, Sacbee.com, 25 Aug. 2026 Several months ago, the district launched a guiding coalition that included administrators and more than 100 teachers to examine its one-to-one device model, which ensures every student has a computer. — Becca Savransky, Idaho Statesman, 21 Aug. 2026 In the studio, while setting up a model for the piece using real weights and real jerseys and making a one-to-one maquette, a couple of things happened. — Andy Battaglia, ARTnews.com, 21 Aug. 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

Rhymes for one-to-one

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Browse Nearby Words

one too many
one-to-one
one-track
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Cite this Entry

“One-to-one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one-to-one. Accessed 4 Sep. 2026.

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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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