Baby always wanting love starts to cry (4)
I believe the answer is:
bawl
'cry' is the definition.
(synonyms)
'baby always wanting love starts' is the wordplay.
'starts' says to take the initial letters.
The initial letters of 'baby always wanting love' is 'BAWL'.
'to' is the link.
(Other definitions for bawl that I've seen before include "Howl" , "Loudly greet" , "Weep noisily" , "Shout; sounds like dance" , "Shout or cry noisily" .)