74 entries under adjective topic. ×

1
lethal(harmful, injurious, damaging, deadly)
1
lethiferous(harmful, injurious, damaging, deadly)
1
mischievous
1
noisome(harmful, injurious, damaging, deadly)
1
pernicious(harmful, injurious, damaging, deadly)
1
pestiferous(harmful, injurious, damaging, deadly)
1
pestilential(harmful, injurious, damaging, deadly)
1
sinister
1
slaughterous(harmful, injurious, damaging, deadly)
1
suicidal(harmful, injurious, damaging, deadly)
1
toxic(harmful, injurious, damaging, deadly)
1
ulcerative
1
venomous(harmful, injurious, damaging, deadly)
1
wrackful(harmful, injurious, damaging, deadly)
1
wreckful(harmful, injurious, damaging, deadly)
0
cancer-causing
0
diseased(spreading, malignant)
0
festering
0
furuncular
0
furunculous
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APASmart Define. (2015). cancerous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/cancerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "cancerous thesaurus" https://smartdefine.org/cancerous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, cancerous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/cancerous/thesaurus/synonyms>.
MLASmart Define. "cancerous thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/cancerous/thesaurus/synonyms>