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

Under his leadership, the school offers a one-of-a-kind social impact hospitality education, where students are challenged while receiving deeply caring one-to-one support from David and his team. —Laurel Donnellan, Forbes.com, 24 Apr. 2025

In a bit of foreshadowing, Minnesota set a school record when that half dozen went to the NFL Scouting Combine this winter, although that isn’t a one-to-one comparison. —Andy Greder, Twin Cities, 21 Apr. 2025

So maybe each one is partially entangled with another, right, so they’re not maximally entangled one-to-one. —Steven Strogatz, Quanta Magazine, 17 Apr. 2025

After seeing an investigative report on the squalid conditions at the Willowbrook State School, Lennon and Ono decided to headline the One to One concerts: two benefit shows at Madison Square Garden to support individual (one-to-one) care for the children. —Jon Pareles, New York Times, 8 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