40 entries under devastating topic. ×

1
deleterious(adjective, harmful, injurious, damaging, deadly)
1
dire(adjective, harmful, injurious, damaging, deadly)
1
disastrous(adjective, harmful, injurious, damaging, deadly)
1
eradicative(adjective, harmful, injurious, damaging, deadly)
1
extirpative(adjective, harmful, injurious, damaging, deadly)
1
fell(adjective, harmful, injurious, damaging, deadly)
1
internecine(adjective, harmful, injurious, damaging, deadly)
1
lethal(adjective, harmful, injurious, damaging, deadly)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
noisome(adjective, harmful, injurious, damaging, deadly)
1
pernicious(adjective, harmful, injurious, damaging, deadly)
1
pestiferous(adjective, harmful, injurious, damaging, deadly)
1
pestilential(adjective, harmful, injurious, damaging, deadly)
1
slaughterous(adjective, harmful, injurious, damaging, deadly)
1
suicidal(adjective, harmful, injurious, damaging, deadly)
1
toxic(adjective, harmful, injurious, damaging, deadly)
1
venomous(adjective, harmful, injurious, damaging, deadly)
1
wrackful(adjective, harmful, injurious, damaging, deadly)
1
wreckful(adjective, harmful, injurious, damaging, deadly)
0
feller(injurious, deadly, fatal)
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APASmart Define. (2015). cancerous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cancerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "cancerous thesaurus" https://smartdefine.org/cancerous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, cancerous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cancerous/thesaurus/synonyms>.
MLASmart Define. "cancerous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/cancerous/thesaurus/synonyms>