Synonyms|181Antonyms|101|Broader|3Narrower|0Related|513

7 entries under help topic. ×

14
baneful(adjective, unhealthy, dangerous, injurious)
14
deadly(adjective, unhealthy, harmful, dangerous)
10
noxious(adjective, unhealthy, dangerous, injurious)
10
pernicious(adjective, bad, unhealthy, dangerous)
10
pestilential(adjective, unhealthy, dangerous, deadly)
8
malignant(adjective, unhealthy, lethal)
7
virulent(adjective, unhealthy, deadly, fatal)
For more, visit Pestilent on Power Thesaurus
11 years ago|7.7k views|share |citing 
APASmart Define. (2015). pestilent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/pestilent/thesaurus/synonyms
ChicagoSmart Define. 2015. "pestilent thesaurus" https://smartdefine.org/pestilent/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, pestilent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/pestilent/thesaurus/synonyms>.
MLASmart Define. "pestilent thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/pestilent/thesaurus/synonyms>