Synonyms of septic

1 Syllable
bad
2 Syllables
fatal, toxic, noxious, evil, lethal, corrupt, morbid, nocuous, vicious, deadly, mortal, peccant, hurtful
3 Syllables
pernicious, baleful, viperous, mephitic, sterile, malicious, toxicant, venomous, poisonous, dangerous, noisome, baneful, miasmatic, virulent, malignant
4 Syllables
insalubrious, pestiferous, pestilential, uncreative, sanitized, unprolific, detrimental, deleterious, unnutritious, corruptive, toxiferous, destructive, infective, mephitical
5 Syllables
uninventive, unwholesome