1. 
[syn: exploited, ill-used, put-upon, used, victimized, victimised]
The Collaborative International Dictionary of English v.0.48:
ill-used \ill`-used"\ adj.
   1. taken advantage of; treated badly; -- of persons. [WordNet
      sense 1]
   Syn: exploited, put-upon, used, victimized.
        [WordNet 1.5]
   2. Misapplied.
      [1913 Webster]
WordNet (r) 3.0 (2006):
ill-used
    adj 1: of persons; taken advantage of; "after going out of his
           way to help his friend get the job he felt not
           appreciated but used" [syn: exploited, ill-used,
           put-upon, used, victimized, victimised]