dein
Translation
your (singular, informal)
Examples
Ist das dein Buch?
Is that your book?
Dein Freund ist sehr nett.
Your friend is very nice.
Ich mag deine Idee.
I like your idea.
Grammar Patterns
dein ((masculine noun, nominative)) your ((masculine noun, nominative)) Dein Vater ist hier.
deine ((feminine noun, nominative/accusative)) your ((feminine noun, nominative/accusative)) Deine Mutter ist nett.
dein ((neuter noun, nominative/accusative)) your ((neuter noun, nominative/accusative)) Dein Kind spielt.
deinen ((masculine noun, accusative)) your ((masculine noun, accusative)) Ich sehe deinen Vater.
Similar Words
Synonyms: (none); Other possessives: mein (my), sein (his), ihr (her/their)
Etymology
From Old High German 'dīn'. Cognate with the archaic English word 'thine'.
Memory Tips
'Dein' is the possessive form for 'du' (informal you). Remember: 'du' and 'dein' both refer to the same person.