40 entries under devastating topic. ×

10
suicidal(adjective, harmful, injurious, damaging, deadly)
4
cutthroat(adjective, help, harmful, injurious, damaging)
3
fell(adjective, grim, harmful, injurious, damaging)
2
baneful(adjective, harmful, injurious, damaging, deadly)
2
deadly(adjective, unpleasant, grim, grave, harmful)
2
destructive(adjective, harmful, injurious, damaging, killer)
2
lethal(adjective, grim, harmful, injurious, damaging)
1
annihilative(adjective, harmful, injurious, damaging, deadly)
1
baleful(adjective, harmful, injurious, damaging, deadly)
1
calamitous(adjective, harmful, injurious, damaging, deadly)
1
cancerous(adjective, harmful, injurious, damaging, deadly)
1
cataclysmic(adjective, harmful, injurious, damaging, deadly)
1
catastrophic(adjective, harmful, injurious, damaging, deadly)
1
consumptive(adjective, harmful, injurious, damaging, deadly)
1
damaging(adjective, harmful, injurious, deadly, fatal)
1
deleterious(adjective, harmful, injurious, damaging, deadly)
1
detrimental(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)
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APASmart Define. (2015). slaughterous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/slaughterous/thesaurus/synonyms
ChicagoSmart Define. 2015. "slaughterous thesaurus" https://smartdefine.org/slaughterous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, slaughterous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/slaughterous/thesaurus/synonyms>.
MLASmart Define. "slaughterous thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/slaughterous/thesaurus/synonyms>