This is the 15260th most frequent German word.
unbewohnten
"Unbewohnten" means "uninhabited."
The word 'unbewohnten' is used here as an adjective describing the noun 'Grundstück', indicating that the property is uninhabited.
Das alte Haus steht auf einem unbewohnten Grundstück.
The old house stands on an uninhabited property.
In this example, 'unbewohnten' describes the noun 'Wald', emphasizing that the forest has no habitation.
Wir wanderten durch den unbewohnten Wald.
We hiked through the uninhabited forest.
Here, 'unbewohnt' (a similar form) illustrates the state of the noun 'Insel' as being devoid of inhabitants in the past.