Search Result for "reversionist": 
Wordnet 3.0

NOUN (1)

1. someone who lapses into previous undesirable patterns of behavior;
[syn: recidivist, backslider, reversionist]



WordNet (r) 3.0 (2006):

reversionist
    n 1: someone who lapses into previous undesirable patterns of
         behavior [syn: recidivist, backslider, reversionist]