Moved to be insincere (8)
I believe the answer is:
affected
I believe this clue is a double definition.
'moved' is the first definition.
('affect' can be a synonym of 'move')
'insincere' is the second definition.
(thesaurus)
'to be' is the link.
(Other definitions for affected that I've seen before include "Stirred" , "Artificial of manner, pretentious" , "False - unnatural" , "Made a difference to" , "Impacted on" .)