| barbarously(adverb, fiercely, violently, cruelly, viciously) |
| ferociously(adverb, fiercely, violently, cruelly, viciously) |
| hardheartedly(adverb, fiercely, violently, cruelly, viciously) |
| in cold blood(adverb, cruel, fiercely, violently, cruelly) |
| severely |
| unrelentingly(adverb, fiercely, violently, cruelly, viciously) |
| barbarically(adverb, fiercely, violently, cruelly, viciously) |
| callously(adverb, fiercely, violently, cruelly, viciously) |
| fiercely(adverb, violently, cruelly, viciously, persistently) |
| unchristianly(adverb, cruel, in awful way, evil way) |
| unpityingly(adverb, pitilessly) |
| unsympathetically(adverb, pitilessly, ruthlessly) |
| vengefully(adverb, cruel, in awful way, evil way) |
| brutishly(adverb, fiercely, violently, cruelly, viciously) |
| demoniacally(adverb, fiercely, violently, cruelly, viciously) |
| diabolically(adverb, fiercely, violently, cruelly, viciously) |
| ferally(adverb, fiercely, violently, cruelly, viciously) |
| fiendishly(adverb, pitilessly) |
| something fierce(adverb, fiercely, violently, cruelly, viciously) |
| stonily(adverb, pitilessly) |