199 entries under verb topic. ×

31
venom(noun, medicine, upset, trouble)
29
taint(noun, activity, ruin, disease)
25
contaminate(activity, harm, clean, foul)
20
pollute(activity, hurt, ruin, harm)
19
corrupt(adjective, activity, action, act)
15
envenom(activity, action, upset, help)
15
infect(help, hurt, harm, corrupt)
14
vitiate(activity, action, act, information)
12
tamper with(phrasal verb, action, act, process)
11
adulterate(hurt, harm, corrupt, stain)
11
subvert(action, act, destroy, rebel)
11
canker(noun, activity, help, ruin)
10
blight(noun, trouble, hurt, ruin)
10
dirty(adjective, bad, hurt, harm)
10
empoison(phrasal verb, help, deterioration, archaism)
10
spoil(hurt, information, influence, harm)
9
drug(noun, medicine, fix, treatment)
9
foul(adjective, bad, hurt, harm)
9
ruin(noun, activity, trouble, spoil)
8
pervert(action, act, ruin, harm)
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APASmart Define. (2016). poison thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/poison/thesaurus/synonyms
ChicagoSmart Define. 2016. "poison thesaurus" https://smartdefine.org/poison/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, poison thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/poison/thesaurus/synonyms>.
MLASmart Define. "poison thesaurus" 19 February 2016. Web. 26 September 2026. <https://smartdefine.org/poison/thesaurus/synonyms>