Tending to be leaning (8)
I believe the answer is:
inclined
I believe this clue is a double definition.
'tending to' is the first definition.
(thesaurus)
'be leaning' is the second definition.
(I've seen this before)
(Other definitions for inclined that I've seen before include "Disposed; sloping" , "Tended towards" , "Running down" , "Had a tendency" , "Disposed or leaned" .)