77 entries under damaging topic. ×

6
subversive(adjective, destruction, injurious, destructive)
5
malignant(adjective, bad, injurious, deadly)
5
mischievous(adjective, negative, distressing, harmful, injurious)
4
annihilative(adjective, harmful, injurious, deadly)
4
crippling(adjective, harmful, injurious, destructive)
4
lethal(adjective, bad, harmful, injurious)
4
toxic(adjective, bad, evil, harmful, injurious)
3
unhealthy(adjective, distressing, harmful, injurious)
2
cancerous(adjective, harmful, injurious, deadly)
2
consumptive(adjective, harmful, injurious, deadly)
2
damning
2
disadvantageous(adjective, negative, distressing, harmful, injurious)
2
distressing(awful, terrible, harmful, ominous)
2
exhausting(adjective, harmful, fatal, mortal)
2
incendiary(destruction, injurious, destructive)
2
inimical(adjective, injurious, destructive, arouse bad feelings)
2
internecine(adjective, harmful, injurious, deadly)
2
malicious(adjective, bad, injurious, deadly)
2
nocuous(adjective, negative, distressing, harmful, injurious)
2
noisome(adjective, bad, evil, harmful, injurious)
10 years ago|11k views|share |citing 
APASmart Define. (2016). ruinous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ruinous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ruinous thesaurus" https://smartdefine.org/ruinous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, ruinous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ruinous/thesaurus/synonyms>.
MLASmart Define. "ruinous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/ruinous/thesaurus/synonyms>