Synonyms|109Antonyms|0|Broader|0Narrower|0Related|32
2
wicked(adjective, malicious, venomous)
1
malicious(adjective, mean, bad, evil, nasty)
1
adverse(adjective, mean, nasty, unfriendly, hateful)
1
aggressive(adjective, unfriendly, antagonistic)
1
alien(adjective, mean, nasty, unfriendly, hateful)
1
amphibian
1
anti(adjective, mean, nasty, unfriendly, hateful)
1
argumentative(adjective, mean, nasty, unfriendly, hateful)
1
baleful(adjective, malicious, venomous)
1
batrachian
1
bellicose(adjective, mean, nasty, unfriendly, hateful)
1
belligerent(adjective, mean, nasty, unfriendly, hateful)
1
cattiness
1
cattish
1
chill(adjective, mean, nasty, unfriendly, hateful)
1
competitive(adjective, mean, nasty, unfriendly, hateful)
1
contentious(adjective, mean, nasty, unfriendly, hateful)
1
contrary(adjective, mean, nasty, unfriendly, angry)
1
crawling
1
creeping
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APASmart Define. (2015). viperous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/viperous/thesaurus/synonyms
ChicagoSmart Define. 2015. "viperous thesaurus" https://smartdefine.org/viperous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, viperous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/viperous/thesaurus/synonyms>.
MLASmart Define. "viperous thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/viperous/thesaurus/synonyms>