Phrase guide

one and the same

det · pron · 2 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

det

Meaning 1

The selfsame. Used to emphasize the identity or equivalence of two things.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

Examples

  • It's almost as if there's one electron in two places at one and the same time.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

pron

Meaning 2

The selfsame person or thing. Used to emphasize the identity or equivalence of two things.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

Examples

  • Are the beautiful and the good one and the same?

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Possibly a calque of Latin unus et idem.

Across languages

Translations

6 source translations are retained for this English entry.

  • Dutch: een en dezelfde — Translations
  • German: ein und derselbe — Translations
  • Russian: один и тот же (odin i tot že) — Translations
  • Spanish: uno y el mismo — Translations
  • Spanish: un y el mismo — Translations
  • Spanish: una y la misma — Translations