Degraded
Degraded is the past participle and past tense form of the verb degrade. As an adjective, it describes something that has diminished in quality, value, function, or status compared with an earlier condition. The sense can be physical (a degraded roadway), environmental (degraded land), or abstract (a degraded reputation). The term is also used in technical or scientific contexts to denote materials, signals, or systems that have undergone deterioration.
Etymology: from Middle English degraden, from Old French degrader, from Latin degradare "to lower" from de- "down"
Applications: Environmental degradation refers to processes that reduce the productive capacity of ecosystems, such as soil