Synonyms of cruelly

2 Syllables
coldly
3 Syllables
corruptly, rowdily, hideously, brutally, wrongfully, wickedly, heinously, scathingly, unjustly, viciously, shockingly, monstrously
4 Syllables
boisterously, hatefully, scandalously, coldheartedly, unfeelingly, vengefully, venomously, shamefully, grotesquely, inhumanly
5 Syllables
vindictively, dishonorably, unscrupulously