This is the 15367th most frequent German word.
verderben
To spoil, ruin, or corrupt.
Here, 'verderben' is used in the sense of ruining or negatively affecting an emotional state.
Die schlechte Nachricht verdarb die Stimmung.
The bad news spoiled the mood.
Here, 'verderben' is used to describe decay or spoilage of food.
Das alte Brot ist vollständig verdorben.
The old bread is completely spoiled.
Here, 'verderben' is used metaphorically to mean diminishing or lessening personal happiness or satisfaction.