Synonyms of gravely

2 Syllables
deeply, sternly, badly
3 Syllables
solemnly, painfully, mournfully, movingly, grievously, seriously, frightfully, fervently, terribly, mortally, harmfully, horribly
4 Syllables
actively, dangerously, compellingly, affectingly, distressingly, severely, regrettably, deplorably, staggeringly, threateningly, menacingly, alarmingly, critically, perilously, precariously, drastically, imploringly, beseechingly, disturbingly
5 Syllables
determinedly, impressively, discouragingly, desperately, unsecurely
6 Syllables
importunately