one-to-one

[ wuhn-tuh-wuhn ]

adjective
  1. Also one-one. (of the relationship between two or more groups of things) corresponding element by element.

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Origin of one-to-one

1
First recorded in 1870–75

Words Nearby one-to-one

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use one-to-one in a sentence

  • But there is not a one-to-one correspondence between sunspots and S-Regions.

    Disturbing Sun | Robert Shirley Richardson
  • The ambition of the World Wide Web is to enable meaningful one-to-one and one-to-many interactions.

  • So by their one-to-one logic we should either hate back or go away.

    Planet of the Damned | Harry Harrison

British Dictionary definitions for one-to-one

one-to-one

adjective
  1. (of two or more things) corresponding exactly

  2. denoting a relationship or encounter in which someone is involved with only one other person: one-to-one tuition

  1. maths characterized by or involving the pairing of each member of one set with only one member of another set, without remainder

noun
  1. a conversation, encounter, or relationship between two people

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012