frail 
/ˈfreɪl/ adjective
frail·er; frail·est /ˈfreɪl/ adjective 1 : having less than a normal amount of strength or force : very weak
▪ a frail child ▪ a frail old man ▪ I could barely hear her frail [=weak] voice. ▪ In his old age his health became increasingly frail. synonyms weak 2 : easily damaged or destroyed
▪ a small and frail ship
▪ a frail child ▪ a frail old man ▪ I could barely hear her frail [=weak] voice. ▪ In his old age his health became increasingly frail. synonyms weak
▪ a small and frail ship
— frail·ness noun [noncount]
▪ the frailness [=(more commonly) frailty] of his health
▪ the frailness [=(more commonly) frailty] of his health
