4
chloroform(noun, kill, substance)
4
damage(verb, hurt, information, influence, harm)
4
deadliness(noun, disease, infection, virus, contagion)
4
degrade
4
desecrate(verb, foul, soil, pollute, contaminate)
4
gall(noun, bane, toxin)
4
hurt(verb, information, damage, influence, harm)
4
injure(verb, information, influence, harm, kill)
4
mephitic(adjective, help, bad, evil, offensive)
4
nicotine(noun, bane)
4
strychnine(noun, bane)
3
debase(verb, action, act, hurt, ruin)
3
stain(verb, hurt, ruin, harm, kill)
3
germ(noun, thing, substance, death, toxin)
3
bacteria(noun, thing, substance, death)
3
acerbity(noun, hatred, hate, hostility, antipathy)
3
baleful(adjective, bad, evil, nasty, corrupt)
3
booze
3
deflower
3
denature
10 years ago|12k views|share |citing 
APASmart Define. (2016). poison thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/poison/thesaurus/synonyms
ChicagoSmart Define. 2016. "poison thesaurus" https://smartdefine.org/poison/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, poison thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/poison/thesaurus/synonyms>.
MLASmart Define. "poison thesaurus" 19 February 2016. Web. 25 September 2026. <https://smartdefine.org/poison/thesaurus/synonyms>