40 entries under devastating topic. ×

4
ruinous(adjective, bad, evil, harmful, injurious)
2
calamitous(adjective, harmful, injurious, damaging, deadly)
2
cataclysmic(adjective, harmful, injurious, damaging, deadly)
2
catastrophic(adjective, harmful, injurious, damaging, deadly)
2
disastrous(adjective, harmful, injurious, damaging, deadly)
2
fell(adjective, harmful, injurious, damaging, deadly)
2
internecine(adjective, bad, violent, harmful, injurious)
1
annihilative(adjective, harmful, injurious, damaging, deadly)
1
cancerous(adjective, harmful, injurious, damaging, deadly)
1
consumptive(adjective, bad, painful, harmful, injurious)
1
cutthroat(adjective, harmful, injurious, damaging, deadly)
1
dire(adjective, bad, painful, harmful, injurious)
1
eradicative(adjective, harmful, injurious, damaging, deadly)
1
extirpative(adjective, harmful, injurious, damaging, deadly)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
slaughterous(adjective, harmful, injurious, damaging, deadly)
1
suicidal(adjective, violent, cruel, harmful, injurious)
1
wrackful(adjective, harmful, injurious, damaging, deadly)
1
wreckful(adjective, harmful, injurious, damaging, deadly)
0
feller(injurious, deadly, fatal)
<12>
11 years ago|15k views|share |citing 
APASmart Define. (2015). toxic thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms
ChicagoSmart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, toxic thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>.
MLASmart Define. "toxic thesaurus" 17 July 2015. Web. 20 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms>