Debilitated having joined company (6)
I believe the answer is:
infirm
(Other definitions for infirm that I've seen before include "not so healthy" , "Feeble from age" , "stable? No" , "Not in good health" , "Not physically strong" .)
I believe the answer is:
infirm
(Other definitions for infirm that I've seen before include "not so healthy" , "Feeble from age" , "stable? No" , "Not in good health" , "Not physically strong" .)