Synonyms of severely

1 Syllable

hard

2 Syllables

deeply, sternly, hardly, strictly, sharply, roughly, firmly, badly

3 Syllables

markedly, exactly, rowdily, painfully, sorely, gravely, mournfully, movingly, grievously, seriously, cumbrously, gruelingly, woefully, malignly, fiercely, harmfully

4 Syllables

boisterously, dangerously, affectingly, distressingly, intensely, rigorously, powerfully, regrettably, deplorably, acutely, unwieldily, distressfully, frighteningly, heartbrokenly, threateningly, tigerishly, menacingly, extremely, alarmingly, critically, perilously, precariously

5 Syllables

cumbersomely, maleficiently, unsecurely

6 Syllables

prohibitively