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.
Like Meriden, Putnam is a one-to-one district. Theo Peck-Suzuki, Hartford Courant, 9 Mar. 2026 And through direct conversations or indirect, through him one-to-one or through his cabinet, messages-- definitely can be delivered. Major Garrett, CBS News, 8 Mar. 2026 Mix a one-to-one cleaning solution of water and white vinegar in your spray bottle. Alexandra Kelly, Martha Stewart, 3 Mar. 2026 This allowed a direct, one-to-one comparison. Rupendra Brahambhatt, Interesting Engineering, 1 Mar. 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 Mar. 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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