Heartless visit to America after ring (7)
I believe the answer is:
callous
'heartless' is the definition.
(I've seen this before)
'visit to america after ring' is the wordplay.
'visit' becomes 'call' (synonyms).
'to america' becomes 'US' (United States).
'after' is a charade indicator (letters next to each other).
'ring' becomes 'O' (O is the shape of a ring).
'us' after 'o' is 'ous'.
'call'+'ous'='CALLOUS'
(Other definitions for callous that I've seen before include "Emotionally hardened" , "Not feeling" , "Heartless" , "Insensitive, cruel" , "Hard-hearted" .)