Synonyms of murderous

1 Syllable

cruel, fell

2 Syllables

deadliest, deadlier, fiercest, ruinous, harmful, brutal, lethal, strenuous, destroying, violent, sapping, fiercer, nastier, arduous, deadly, mortal, hellish, nasty, nastiest, gory, killing, gorier

3 Syllables

ferocious, criminal, death-dealing, harrowing, necrotic, tumbledown, tigerish, rapacious, exhausting, dangerous, savage, unpleasant, ferine, creophagous, bloodletting

4 Syllables

remorseless, malevolent, destructive, bad-natured, unrepenting, devastating

6 Syllables

annihilative