1. a condition of having declined in quality, strength, or value; a state of disrepair or decay
The building was in a deteriorated state after decades of neglect.
O edifício estava em estado deteriorado após décadas de negligência.
2. a worsened or degraded condition physically or metaphorically
Her health was in a deteriorated state due to the illness.
A sua saúde estava em estado deteriorado devido à doença.