Why does the noun Deo have the article das?

Most nouns ending in -o are neuter.

Examples

das Auto (car), das Büro (office), das Kino (cinema), das Radio (radio), das Foto (photo), das Konto (account), das Cello (cello)

Exceptions

der Euro (euro), die Avocado (avocado), der Zoo (zoo)

Declension table for German noun Deo

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativdas Deoein Deo—
Akkusativdas Deoein Deo—
Dativdem Deoeinem Deo—
Genitivdes Deoseines Deos—

Examples in context

Real sentences using Deo 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 Deo?

It is das Deo. In German, every noun has a grammatical gender, and Deo 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 Deo?

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

What does das Deo mean in English?

The German word das Deo translates to “deodorant” in English.

How do you decline das Deo?

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

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.