Synonyms of 'dreadfully'

agonizingly, astoundingly, atrociously, awful, awfully, baldly, basely, bestially, big, bitterly, brashly, brutally, confoundedly, cruelly, damned, deadly, deathly, deucedly, direly, disgustingly, dreadful, exceedingly, excessively, excruciatingly, exorbitantly, extravagantly, extremely, fearfully, flagrantly, foully, fulsomely, ghastly, grievously, grimly, grossly, gruesomely, hellishly, horrendously, horridly, improperly, infamously, infernally, nauseatingly, notoriously, obnoxiously, odiously, painfully, repulsively, revoltingly, savagely, sorely, terribly, tremendously, unduly