septic (adjective) poison/poisonous: harmful
Sinonime: bad,
baleful, baneful,
corrupt, corruptive,
dangerous,
deadly,
deleterious,
destructive,
detrimental,
evil,
fatal,
hurtful, infective,
lethal,
malicious,
malignant, mephitic, miasmatic,
morbid,
mortal, nocuous, noisome,
noxious, peccant,
pernicious, pestiferous, pestilential, septic,
toxic, toxicant, toxiferous, venomous,
vicious, viperous,
virulentAntonime: aiding, antidotal,
assisting, curing,
healing,
helpful