infirmity
noun [ C or U ] formal uk/ɪnˈfɜː.mə.ti/ us/ɪnˈfɝː.mə.t̬i/
（尤指因年迈而长期）病弱的，需要照顾的
illness, especially for long periods or because of old age
an advanced state of infirmity 极度衰弱
She suffered from a long list of infirmities. 她身患多种疾病。
Synonyms: debility frailtyweakness