grievously Synonyms

acutely weightily woefully excruciatingly torturously regrettably unfortunately seriously severely joylessly lugubriously threateningly mournfully detrimentally harmfully regretfully sullenly dangerously unluckily sorely sadly afflictively agonizingly alas bitterly critically cruelly deplorably dismally drearily gravely horribly insufferably menacingly miserably morosely onerously poignantly dolefully