Standard Lemma guide

one-to-one

adj · noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Involving direct communication between two people.

Definition source: English Wiktionary via Wiktextract

Usage: UK

Examples

  • a one-to-one discussion
  • a one-to-one teaching session

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Injective, being an injection: having the property that no two elements of the domain are mapped to the same image.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A personal relationship between two people.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: 121

Antonyms: none provided

5

noun

Meaning 5

A direct match or equivalent.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adjective satellite

Meaning 6

used of relations such that each member of one set is associated with one member of a second set

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

15 source translations are retained for this English entry.

  • Bulgarian: биективен (biektiven) — matching each member of one set with one member of another set
  • Catalan: bijectiu — matching each member of one set with one member of another set
  • Catalan: biunívoc — matching each member of one set with one member of another set
  • Chinese Mandarin: 一對一 /一对一 (yīduìyī) — matching each member of one set with one member of another set
  • Finnish: yhdestä yhteen — matching each member of one set with one member of another set
  • French: biunivoque — matching each member of one set with one member of another set
  • Italian: biiettivo — matching each member of one set with one member of another set
  • Norwegian Bokmål: en-til-en — matching each member of one set with one member of another set
  • Polish: odpowiedni — matching each member of one set with one member of another set
  • Portuguese: bijetor — matching each member of one set with one member of another set
  • Russian: оди́н к одному (odín k odnomu) — matching each member of one set with one member of another set
  • Spanish: biunívoco — matching each member of one set with one member of another set
  • Spanish: uno a uno — matching each member of one set with one member of another set
  • Spanish: biyectivo — matching each member of one set with one member of another set
  • Tagalog: isa-sa-isa — matching each member of one set with one member of another set
Real reading context

one-to-one in complete knowledge articles