This is the 9792nd most frequent Japanese word.
衰弱
"Weakening" or "decline in strength."
Here, '衰弱' is used to describe a physical state of weakness caused by an external factor, such as illness.
その動物は病気によって衰弱していた。
The animal was weakened due to illness.
In this sentence, '衰弱' is employed metaphorically to describe the deterioration or weakening of a community's socio-economic state.
経済的な問題が続き、地域社会が衰弱している。
Economic issues persist, causing the community to weaken.
'衰弱' is utilized to indicate a gradual loss of strength or vitality, specifically in regard to someone's health or endurance.