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