Talk with heartless lady? or vice versa (10)

'vice versa' is the definition.
(thesaurus)

'talk with heartless lady?' is the wordplay.
'talk' becomes 'converse' (conversing is a kind of talking**).
'with' is a charade indicator (letters next to each other).
'heartless' says to hollow out the word (remove centre letters).
'lady' with its middle taken out is 'ly'.
'converse'+'ly'='CONVERSELY'

'or' is the link.