Worried daughter joining hospital will get disliked (5)
I believe the answer is:
hated
'disliked' is the definition.
(hating is a kind of disliking)
'worried daughter joining hospital' is the wordplay.
'worried' becomes 'ate' (something worrying may eat someone up).
'daughter' becomes 'd'.
'joining' says to put letters next to each other.
'hospital' becomes 'h'.
'ate'+'d'='ated'
'ated' after 'h' is 'HATED'.
'will get' is the link.
(Other definitions for hated that I've seen before include "was unable to stand" , "Loathed" , "viewed with hostility" , "Abhorred" , "Seriously disliked" .)