Synonyms of lethal
- 2 Syllables
- deadliest, fatal, deadlier, wreckful, septic, toxic, harmful, noxious, deadly, mortal, deathly, hurtful
- 3 Syllables
- pernicious, sanguineous, slaughterous, death-dealing, terminals, baleful, murderous, viperish, necrotic, toxicant, venomous, poisonous, dangerous, mortuary, pestilent, hellfire, terminal, suicidal, miasmatic, virulent, malignant
- 4 Syllables
- lethiferous, homicidal, insalubrious, pestilential, unnutritious, destructive, mephitical, mortiferous, devastating
- 5 Syllables
- extirpative, unwholesome, fire-and-brimstone
- 6 Syllables
- eradicative