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.
Every fiat dollar, euro or Swiss franc deposited into a Swiss IBAN issued by UR is mirrored one-to-one as an on-chain tokenized deposit. Boaz Sobrado, Forbes.com, 15 May 2026 Participating manufacturers would match the state’s contributions on a one-to-one basis. Rob Nikolewski, San Diego Union-Tribune, 14 May 2026 That served as the point of reference, though not in a literal, one-to-one sense. Christine Mortag, Condé Nast Traveler, 13 May 2026 This means alternating running for one minute, then walking for one minute, or a one-to-one ratio of equal amounts walking and running. Veronica Fernandez-Alvarado may 13, Sacbee.com, 13 May 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

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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 19 May. 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
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