heartlessly, cruelly, thoughtlessly, wantonly, cavalierly, coldly, ruthlessly, mercilessly, brazenly, senselessly, cynically, insensitively, viciously, contemptuously, carelessly, summarily, shamelessly, hatefully, meanly, vindictively, foolishly, shamefully, selfishly, barbarically, systematically, blatantly, shabbily, hurtfully, vengefully, ungratefully, arrogantly, unwisely, ungraciously, unsympathetically, deliberately, irresponsibly, despicably, savagely, purposefully, immorally, evilly, clumsily, condescendingly, barbarously, unmercifully, apathetically, deceitfully, ignorantly, unthinkingly, ineptly, vilely, ignobly, contemptibly, indifferently, flagrantly, heedlessly, disrespectfully, stupidly, unceremoniously, rudely, glibly, inhumanely, casually, grievously, discourteously, tragically, defenselessly, mindlessly, inexpertly, blithely, cravenly, ashamedly, helplessly, gratuitously, mortally, reprehensibly, gleefully, unpatriotically, flippantly, scornfully, calculatingly, humanely, maliciously, disreputably, repulsively, brutally, witlessly, disgracefully, unjustly, needlessly, sorrowfully, rashly, hypocritically, lawlessly, unconscionably, pitilessly, compassionately, impolitely, ritually, immaturely, disingenuously, repugnantly

unfeelingly