40 entries under devastating topic. ×

5
destructive(adjective, injurious, malignant, destroying)
4
baneful(adjective, harmful, injurious, damaging, deadly)
3
evil(adjective, harmful, injurious, damaging, deadly)
3
harmful(adjective, injurious, damaging, deadly, fatal)
3
mortal(adjective, harmful, injurious, damaging, deadly)
2
calamitous(adjective, harmful, injurious, damaging, deadly)
2
fatal(adjective, harmful, injurious, damaging, deadly)
2
hurtful(adjective, harmful, injurious, damaging, deadly)
2
injurious(adjective, harmful, damaging, deadly, fatal)
2
noxious(adjective, harmful, injurious, damaging, deadly)
2
ruinous(adjective, harmful, injurious, damaging, deadly)
1
consumptive(adjective, harmful, injurious, damaging, deadly)
1
deadly(adjective, harmful, injurious, damaging, fatal)
1
detrimental(adjective, harmful, injurious, damaging, deadly)
1
annihilative(adjective, harmful, injurious, damaging, deadly)
1
baleful(adjective, harmful, injurious, damaging, deadly)
1
cataclysmic(adjective, harmful, injurious, damaging, deadly)
1
catastrophic(adjective, harmful, injurious, damaging, deadly)
1
cutthroat(adjective, harmful, injurious, damaging, deadly)
1
damaging(adjective, harmful, injurious, deadly, fatal)
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APASmart Define. (2015). cancerous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cancerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "cancerous thesaurus" https://smartdefine.org/cancerous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, cancerous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cancerous/thesaurus/synonyms>.
MLASmart Define. "cancerous thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/cancerous/thesaurus/synonyms>