dein
your
Possessive article of the 2nd person singular (informal). It expresses that something belongs to the person being addressed (du form) or is related to them.
EXAMPLE
Kann ich kurz dein Ladegerät benutzen?
Can I briefly use your charger?
dein
your
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Meanings
Usage tips
Declension like 'ein'
The possessive article 'dein' is declined in the singular just like the indefinite article 'ein'. The endings for case and gender are therefore identical.
EXAMPLE
Ich brauche einen Regenschirm. Hast du deinen Regenschirm dabei?
I need an umbrella. Do you have your umbrella with you?
Use without a noun
'Dein' can also stand alone as a pronoun to replace a noun. It then gets a strong ending that indicates the gender and case of the noun being replaced.
EXAMPLE
Mein Handy-Akku ist leer. Ist deiner voll?
My phone battery is empty. Is yours full?
Informal context
'Dein' belongs to the informal form of address 'du'. It is used for friends, family members, children, and in all situations where people use 'du' with each other.
EXAMPLE
Anna, ich habe gestern dein Buch gelesen.
Anna, I read your book yesterday.
Compare with
dein vs Ihr
your / you
dein and Ihr both express possession or belonging relating to the person being addressed. dein is used with the informal Du form, while Ihr is used with the formal Sie form and is capitalized. Use dein with familiar individuals and Ihr in a polite, formal situation.
dein
Ist das dein Schlüssel, den du gestern verloren hast?
Is this your key, the one you lost yesterday?
Ihr
Ist das Ihr Schlüssel, den Sie gestern verloren haben?
Is this your key, the one you lost yesterday?
In real life
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