Why does the noun Diagramm have the article das?

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 Diagramm

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativdas Diagrammein Diagrammkein Diagramm
Akkusativdas Diagrammein Diagrammkein Diagramm
Dativdem Diagrammeinem Diagrammkeinem Diagramm
Genitivdes Diagrammseines Diagrammskeines Diagramms

Examples in context

Real sentences using Diagramm in different cases.

CaseDefiniteIndefiniteNegative
Nominativ
Das neue Diagramm ist sehr klar.The new diagram is very clear.
Ein gutes Diagramm hilft immer.A good diagram always helps.
Kein altes Diagramm ist hier.No old diagram is here.
Akkusativ
Ich sehe das neue Diagramm.I see the new diagram.
Wir brauchen ein gutes Diagramm.We need a good diagram.
Er hat kein altes Diagramm.He has no old diagram.
Dativ
Ich folge dem neuen Diagramm.I follow the new diagram.
Er hilft einem guten Diagramm.He helps a good diagram.
Sie gibt keinem alten Diagramm nach.She doesn't yield to any old diagram.
Genitiv
Die Farbe des neuen Diagramms ist blau.The color of the new diagram is blue.
Die Bedeutung eines guten Diagramms ist groß.The meaning of a good diagram is great.
Wegen keines alten Diagramms gehen wir.We are leaving because of no old diagram.

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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 Diagramm?

It is das Diagramm. In German, every noun has a grammatical gender, and Diagramm is neuter. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of das Diagramm?

The plural form of das Diagramm is die Diagramme. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does das Diagramm mean in English?

The German word das Diagramm translates to “diagram” in English.

How do you decline das Diagramm?

Like all German nouns, Diagramm changes its article depending on the case. In the singular, the forms are:
  • Nominativ: das Diagramm
  • Akkusativ: das Diagramm
  • Dativ: dem Diagramm
  • Genitiv: des Diagramms

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.