50 entries under unfriendly topic. ×

23
bitter(adjective, mean, love, evil, nasty)
20
malignant(adjective, help, mean, bad, nasty)
17
malicious(adjective, mean, bad, evil, nasty)
17
spiteful(adjective, mean, evil, nasty, harsh)
13
malevolent(adjective, mean, evil, nasty, harsh)
13
nasty(adjective, mean, severe, wicked, hostile)
12
antagonistic(adjective, mean, severe, nasty, hostile)
12
hateful(adjective, mean, severe, evil, nasty)
12
rancorous(adjective, mean, love, severe, evil)
12
vitriolic(adjective, mean, severe, nasty, intelligent)
10
hostile(adjective, mean, severe, nasty)
5
mean(adjective, nasty, wicked, hateful)
4
belligerent(adjective, mean, nasty, hateful)
4
sour(adjective, mean, severe, nasty, hostile)
4
unkind(adjective, mean, evil, nasty, harsh)
3
surly(adjective, mean, nasty, hateful)
2
bellicose(adjective, mean, nasty, hateful)
2
catty(adjective, mean, nasty, hateful)
2
contentious(adjective, mean, nasty, hateful)
2
pugnacious(adjective, mean, nasty, hateful)
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APASmart Define. (2015). virulent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/virulent/thesaurus/synonyms
ChicagoSmart Define. 2015. "virulent thesaurus" https://smartdefine.org/virulent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, virulent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/virulent/thesaurus/synonyms>.
MLASmart Define. "virulent thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/virulent/thesaurus/synonyms>