Meanings
determiner
- idiomaticThe selfsame. Used to emphasize the identity or equivalence of two things.
It's almost as if there's one electron in two places at one and the same time.
pronoun
- idiomaticThe selfsame person or thing. Used to emphasize the identity or equivalence of two things.
Are the beautiful and the good one and the same?
Synonyms & antonyms
Also see
Origin
- Latinunus et idem
- Englishone and the same
Possibly a calque of Latin unus et idem.
More words from Latin
Full word history & related roots →Translations
Dutch een en dezelfde
- een en dezelfdeTranslations
German ein und derselbe
- ein und derselbeTranslations
Russian один и тот же
- один и тот же (odin i tot že)Translations
Spanish uno y el mismo, un y el mismo
- uno y el mismoTranslations
- un y el mismoTranslations
- una y la mismaTranslations
Cite this entry
APA
one and the same. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/one%20and%20the%20same
MLA
“one and the same.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/one%20and%20the%20same. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “one and the same,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/one%20and%20the%20same.
Source: one and the same on Wiktionary, CC BY-SA 4.0.