der Arm
arm
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 Arm | die Arme |
Accusative Akkusativ (Wenfall) | Wen oder was? | den Arm | die Arme |
Dative Dativ (Wemfall) | Wem? | dem Arm | den Armen |
Genitive Genitiv (Wesfall) | Wessen? | des Armes | der Arme |
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 Arm | Arme |
Accusative Akkusativ (Wenfall) | Wen oder was? | einen Arm | Arme |
Dative Dativ (Wemfall) | Wem? | einem Arm | Armen |
Genitive Genitiv (Wesfall) | Wessen? | eines Armes | Arme |
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 Arm | keine Arme |
Accusative Akkusativ (Wenfall) | Wen oder was? | keinen Arm | keine Arme |
Dative Dativ (Wemfall) | Wem? | keinem Arm | keinen Armen |
Genitive Genitiv (Wesfall) | Wessen? | keines Armes | keiner Arme |
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 Arm | meine Arme |
Accusative Akkusativ (Wenfall) | Wen oder was? | meinen Arm | meine Arme |
Dative Dativ (Wemfall) | Wem? | meinem Arm | meinen Armen |
Genitive Genitiv (Wesfall) | Wessen? | meines Armes | meiner Arme |
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: Arme → Armen.
Example Sentences in Context
Mein Arm ist nach dem Umzug ganz müde.
My arm is really tired after the move.
Die Ärztin untersucht den Arm sehr sorgfältig.
The doctor examines the arm very carefully.
Interactive Tools & Related Guides
More Nouns in Body & Health
FAQs: der Arm
Is "Arm" der, die, or das in German?
"Arm" takes the masculine definite article "der" (der Arm). Gender cue: Lexical gender — memorize together with its article.
What is the plural and Dative plural of "der Arm"?
The Nominative plural of der Arm is "die Arme" (pattern: -e). In the Dative plural it becomes "den Armen".
How does "der Arm" change in the Genitive, Accusative, and Dative?
As a strong masculine noun, "Arm" changes only in the Genitive singular (des Armes); Accusative and Dative keep "Arm".