one-to-one

adjective

ˌwən-tə-ˈwən 

-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

Externally, there was some noise about Howe’s position and, internally, there were a series of one-to-one meetings between head coach and players and what is now regarded as a crucial reset at the training ground. —George Caulkin, New York Times, 2 May 2025

Conveniently, two of the best loyalty programs in the space—Chase Ultimate Rewards points and Bilt Rewards points—transfer to the Hyatt program instantly, at a one-to-one ratio. —Stella Shon, Travel + Leisure, 1 May 2025

Pre-festival kick-off online gatherings, which already started yesterday and are going to run until April 30, offer one-to-one speed meetings, roundtables and pitching sessions. —Leo Barraclough, Variety, 29 Apr. 2025

The four leaders were pictured together in the basilica, after Trump and Zelensky’s one-to-one. —Christian Edwards, CNN Money, 26 Apr. 2025

Word History

First Known Use

1873, in the meaning defined at sense 1

Rhymes for one-to-one

• aldosterone
• anticyclone
• progesterone
• testosterone
• acetone
• anglophone
• baritone
• bourguignon
• buspirone
• chaperon
• chaperone
• cobblestone

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