der Mund
mouth
Full 4-Case Declension Table
Switch determiner types to inspect how articles and noun endings change together.
Definite (der / die / das): Used for specific, already known, or general-category nouns.
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | der Mund | die Münder |
Accusative Akkusativ (Wenfall) | Wen oder was? | den Mund | die Münder |
Dative Dativ (Wemfall) | Wem? | dem Mund | den Mündern |
Genitive Genitiv (Wesfall) | Wessen? | des Mundes | der Münder |
Indefinite (ein / eine): Used when introducing a countable singular noun; has no plural article in German.
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | ein Mund | Münder |
Accusative Akkusativ (Wenfall) | Wen oder was? | einen Mund | Münder |
Dative Dativ (Wemfall) | Wem? | einem Mund | Mündern |
Genitive Genitiv (Wesfall) | Wessen? | eines Mundes | Münder |
Negative (kein / keine): Negates nouns with or without an indefinite article; follows ein-words in singular and die in plural.
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | kein Mund | keine Münder |
Accusative Akkusativ (Wenfall) | Wen oder was? | keinen Mund | keine Münder |
Dative Dativ (Wemfall) | Wem? | keinem Mund | keinen Mündern |
Genitive Genitiv (Wesfall) | Wessen? | keines Mundes | keiner Münder |
Possessive (mein / dein / …): Uses ein-word endings in singular and definite-like endings in plural (mein/dein/sein/ihr/unser/euer/Ihr).
| Case (Fall) | Question | Singular | Plural |
|---|---|---|---|
Nominative Nominativ (Werfall) | Wer oder was? | mein Mund | meine Münder |
Accusative Akkusativ (Wenfall) | Wen oder was? | meinen Mund | meine Münder |
Dative Dativ (Wemfall) | Wem? | meinem Mund | meinen Mündern |
Genitive Genitiv (Wesfall) | Wessen? | meines Mundes | meiner Münder |
Why These Endings Work
Standard pattern for most masculine (der) and neuter (das) nouns: genitive singular ends in -s or -es.
- Dative plural adds -n to the plural stem: Münder → Mündern.
Example Sentences in Context
Der Mund ist trocken.
My mouth is dry.
Mach bitte den Mund auf.
Please open your mouth.
Man spricht nicht mit vollem Mund.
You do not speak with your mouth full.
Interactive Tools & Related Guides
More Nouns in Body & Health
FAQs: der Mund
Is "Mund" der, die, or das in German?
"Mund" takes the masculine definite article "der" (der Mund). Gender cue: Lexical gender — memorize together with its article.
What is the plural and Dative plural of "der Mund"?
The Nominative plural of der Mund is "die Münder" (pattern: ¨-er). In the Dative plural it becomes "den Mündern".
How does "der Mund" change in the Genitive, Accusative, and Dative?
As a strong masculine noun, "Mund" changes only in the Genitive singular (des Mundes); Accusative and Dative keep "Mund".