malevolently

from WordNet (r) 3.0 (2006)

malevolently
    adv 1: in a malevolent manner; "she gossips malevolently" [ant:
           {benevolently}]

from The Collaborative International Dictionary of English v.0.48

Malevolently \Ma*lev"o*lent*ly\, adv.
   In a malevolent manner.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

39 Moby Thesaurus words for "malevolently":
      balefully, banefully, corrodingly, corrosively,
      counterproductively, damagingly, deleteriously, detrimentally,
      disadvantageously, disserviceably, harmfully, hatefully, hurtfully,
      in spite, iniquitously, injuriously, invidiously, malefically,
      maleficently, maliciously, malignantly, malignly, meanly,
      mischievously, nastily, noisomely, noxiously, ornerily,
      poisonously, prejudicially, spitefully, toxically, venomously,
      viciously, virulently, wickedly, with bad intent,
      with malice aforethought, with malice prepense