339 entries under adjective topic. ×

4
bad(wicked, injurious, damaging, destructive)
4
belligerent(mean, nasty, unfriendly, hateful)
4
deathly
4
infectious(catching, spreading)
4
malefic(injurious, damaging, deadly, destructive)
4
mischievous(mean, nasty, wicked, hateful)
4
mortal
4
pestiferous(unhealthy, harmful, injurious, annoying)
4
sour(mean, severe, nasty, hostile)
4
stringent
4
sulfurous
4
unkind(mean, evil, nasty, harsh)
4
unpleasant
3
acidic
3
barbarous(evil, nasty, harsh, vicious)
3
burning
3
crabbed
3
devastating
3
direful(strange, horrible, horror, scary)
3
extreme(enthusiastic, ill, sick, fervent)
11 years ago|14k views|share |citing 
APASmart Define. (2015). virulent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/virulent/thesaurus/synonyms
ChicagoSmart Define. 2015. "virulent thesaurus" https://smartdefine.org/virulent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, virulent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/virulent/thesaurus/synonyms>.
MLASmart Define. "virulent thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/virulent/thesaurus/synonyms>