1
deleterious(adjective, harmful, injurious, damaging, deadly)
1
devastating(adjective, harmful, injurious, damaging, deadly)
1
diabetic
1
dire(adjective, harmful, injurious, damaging, deadly)
1
disastrous(adjective, harmful, injurious, damaging, deadly)
1
dyspeptic
1
epileptic
1
eradicative(adjective, harmful, injurious, damaging, deadly)
1
extirpative(adjective, harmful, injurious, damaging, deadly)
1
fell(adjective, harmful, injurious, damaging, deadly)
1
hypertensive
1
infectious(adjective, baneful)
1
internecine(adjective, harmful, injurious, damaging, deadly)
1
leprous
1
lethal(adjective, harmful, injurious, damaging, deadly)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
malarial
1
measly
1
mischievous
1
noisome(adjective, harmful, injurious, damaging, deadly)
11 years ago|1.9k views|share |citing 
APASmart Define. (2015). cancerous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/cancerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "cancerous thesaurus" https://smartdefine.org/cancerous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, cancerous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/cancerous/thesaurus/synonyms>.
MLASmart Define. "cancerous thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/cancerous/thesaurus/synonyms>