Downtrodden (9)
I believe the answer is:
oppressed
'downtrodden' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for oppressed that I've seen before include "Downtrodden" , "Burdened, physically or mentally" , "Gave too much weight to" , "Persecuted, burdened" , "Kept in subjection" .)