Why does the noun U-Boot 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 U-Boot

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativdas U-Bootein U-Boot—
Akkusativdas U-Bootein U-Boot—
Dativdem U-Booteinem U-Boot—
Genitivdes U-Bootseines U-Boots—

Examples in context

Real sentences using U-Boot in different cases.

CaseDefiniteIndefiniteNegative
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 U-Boot?

It is das U-Boot. In German, every noun has a grammatical gender, and U-Boot 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 U-Boot?

The plural form of das U-Boot is die U-Boote. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does das U-Boot mean in English?

The German word das U-Boot translates to “submarine” in English.

How do you decline das U-Boot?

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

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.