Source : Webster's Revised Unabridged Dictionary (1913)

Maltreat \Mal*treat"\, v. t. [imp. & p. p. {Maltreated}; p. pr.
   & vb. n. {Maltreating}.] [Mal- + treat: cf. F. maltraiter.]
   To treat ill; to abuse; to treat roughly.

Source : WordNet®

maltreated
     adj : physically abused; "an abused wife" [syn: {abused}, {ill-treated},
            {mistreated}] [ant: {unabused}]