2
toxiferous
2
uncharitable
2
unforgiving(adjective, mean, hateful, malicious, spiteful)
2
vehement(strong, violent, brutal, ferocious, menacing)
2
violent(strong, brutal, ferocious, menacing, fatal)
2
viperish(adjective, hateful)
2
waspish(adjective, mean, hateful, malicious, malignant)
1
unpleasant(mean, malicious, vindictive)
1
abusive
1
accidentally on purpose(expression, adjective, idiom, mean, nasty)
1
acidulous
1
alarming(adjective, dangerous)
1
annihilative(adjective, harmful, injurious, damaging, deadly)
1
antipathetic
1
ape(adjective, strong, severe, intense, violent)
1
astringent
1
awful(adjective, mean, strong, severe, nasty)
1
bad-natured(adjective, mean, nasty, vicious, wicked)
1
beastly(adjective, mean, nasty, violent, wild)
1
belligerent
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APASmart Define. (2015). venomous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/venomous/thesaurus/synonyms
ChicagoSmart Define. 2015. "venomous thesaurus" https://smartdefine.org/venomous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, venomous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/venomous/thesaurus/synonyms>.
MLASmart Define. "venomous thesaurus" 11 September 2015. Web. 25 September 2026. <https://smartdefine.org/venomous/thesaurus/synonyms>