Last Updated：2025/11/20

Matching each member of one set with exactly one member of another set. / (chiefly UK) Involving direct communication between two people.

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one-to-one

Source Word

one-to-one

Adjective

UK of a function

Japanese Meaning

一つの集合の各要素が、別の集合の正確に一つの要素に対応する状態 / （主に英国で用いられる）二者間で直接的なコミュニケーションや対話が行われる状態

The teacher set up a one-to-one pairing so each student could practice with a unique partner.

教師は、生徒がそれぞれちょうど1人の相手と練習できるように、一対一のペアを組んだ。

Sense（1）

Matching each member of one set with exactly one member of another set.

There is a one-to-one relationship between days with large cash shortages and his workdays.

Sense（2）

(chiefly UK) Involving direct communication between two people.

a one-to-one discussion

Sense（3）

more one-to-one

（ comparative ）

most one-to-one

（ superlative ）