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old
Das ist ein altes Haus.
This is an old house.
Used to describe something that has existed for a long time.
aged
Er ist schon alt.
He is already old.
Can refer to people or things that are no longer young.
'Alt' must agree in gender, number, and case with the noun it modifies (e.g., 'der alte Mann', 'die alte Frau').
'Alt' is a strong adjective and follows German adjective declension rules.
From Old High German 'alt', meaning 'old'.
In German, 'alt' is a common adjective used to describe age, often applied to people, objects, or concepts.