Synonyms to maleficently

harmfully, balefully, banefully, corrodingly, corrosively, counterproductively, damagingly, deleteriously, detrimentally, disadvantageously, disserviceably, hatefully, hurtfully, in spite, iniquitously, injuriously, invidiously, malefically, malevolently, 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,