A bit independent (5)
I believe the answer is:
apart
'independent' is the definition.
(thesaurus)
'a bit' is the wordplay.
'bit' becomes 'part' (I've seen this in other clues).
'a'+'part'='APART'
(Other definitions for apart that I've seen before include "aloof" , "Unconnected" , "In pieces; separate" , "In private" , "away" .)