Why does the noun Ein have the article der?
This noun follows no general suffix rule — its gender is part of the core vocabulary you simply learn alongside the word.
Declension table for German noun Ein
How it changes across the four cases.
| Case | Definite | Indefinite | Negative |
|---|---|---|---|
| Nominativ | der Ein | ein Ein | — |
| Akkusativ | den Ein | einen Ein | — |
| Dativ | dem Ein | einem Ein | — |
| Genitiv | des Eins | eines Eins | — |
Examples in context
Real sentences using Ein in different cases.
| Case | Definite | Indefinite | Negative |
|---|---|---|---|
| Nominativ | — | ||
| Akkusativ | — | ||
| Dativ | — | ||
| Genitiv | — |
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Frequently asked questions
Everything you might wonder about der, die, das — and the Der Artikel app.
Is it der, die, or das Ein?
It is der Ein. In German, every noun has a grammatical gender, and Ein is masculine. You should always learn the article together with the noun to ensure your German grammar is correct.
What is the plural of der Ein?
The noun Ein is typically used in the singular form (Singularetantum) or has a plural form identical to the singular.
What does der Ein mean in English?
The German word der Ein translates to “one” in English.
How do you decline der Ein?
Like all German nouns, Ein changes its article depending on the case. In the singular, the forms are:
- Nominativ: der Ein
- Akkusativ: den Ein
- Dativ: dem Ein
- Genitiv: des Eins
These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.
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Strong Standard declension — no extra -(e)n. The 96% majority.
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