Not thrive (3)
I believe the answer is:
ail
(Other definitions for ail that I've seen before include "Be ill or unwell" , "pain" , "Bother" , "Be unwell, suffer" , "Go sick" .)
I believe the answer is:
ail
(Other definitions for ail that I've seen before include "Be ill or unwell" , "pain" , "Bother" , "Be unwell, suffer" , "Go sick" .)