дряхлый znamená v Angličtina

decrepit▼(weakened or worn out)
adjective
[UK: dɪ.ˈkre.pɪt] [US: də.ˈkre.pət]

gaga▼(senile)
adjective
[UK: ˈɡɑː.ɡɑː] [US: ˈɡɑː.ɡɑː]

senile▼(exhibiting the deterioration in mind)
adjective
[UK: ˈsiː.naɪl] [US: ˈsiː.ˌnaɪl]