The DICT Development Group

  maltreat \mal*treat"\ (m[a^]l*tr[=e]t"), v. t. [imp. & p. p.
     Maltreated; p. pr. & vb. n. Maltreating.] [Mal- + treat:
     cf. F. maltraiter.]
     To treat ill; to abuse; to treat roughly.
     [1913 Webster]

  maltreat
      v 1: treat badly; "This boss abuses his workers"; "She is always
           stepping on others to get ahead" [syn: mistreat,
           maltreat, abuse, ill-use, step, ill-treat]

  67 Moby Thesaurus words for "maltreat":
     abuse, afflict, aggrieve, batter, befoul, bewitch, blight, bruise,
     buffet, condemn, corrupt, crucify, curse, damage, defile, deprave,
     despoil, destroy, disadvantage, disserve, distress, do a mischief,
     do evil, do ill, do violence to, do wrong, do wrong by,
     do wrong to, doom, envenom, get into trouble, harass, harm, hex,
     hurt, ill-treat, ill-use, impair, infect, injure, jinx,
     knock about, manhandle, maul, menace, mishandle, mistreat, molest,
     outrage, persecute, play havoc with, play hob with, poison,
     pollute, prejudice, rough, rough up, savage, scathe, taint,
     threaten, torment, torture, violate, wound, wreak havoc on,
     wrong