What is a synonym for "worst"?

badly, awfully, exceedingly, extraordinarily, extremely, greatly, highly, immensely, most, quite, sorely, terrifically, very, abominably, acutely, appallingly, atrociously, completely, critically, cruelly, dangerously, dearly, deeply, desperately, direly, dreadfully, enormously, excessively, fearfully, frightfully, gravely, grossly, heavily, horrendously, horrifically, infernally, infinitely, intensely, madly, monstrously, mortally, profoundly, sadly, scandalously, seriously, severely, shockingly, strongly, terribly, totally, toughly, unfortunately, unusually, utterly, violently, wildly, wretchedly.