53 entries under devastating topic. ×

1
extravagant(adjective, disastrous)
1
fell(adjective, unpleasant, grim, harmful, injurious)
1
immoderate(adjective, severe, harsh, intense, extravagant)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
mortal(adjective, bad, evil, harmful, injurious)
1
pestiferous(adjective, bad, evil, harmful, injurious)
1
pestilential(adjective, evil, wicked, harmful, injurious)
1
slaughterous(adjective, grim, harmful, injurious, damaging)
1
venomous(adjective, bad, evil, harmful, injurious)
0
depleting(adjective, disastrous)
0
draining(adjective, disastrous)
0
feller(injurious, deadly, fatal)
0
impoverishing(adjective, disastrous)
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APASmart Define. (2016). ruinous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ruinous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ruinous thesaurus" https://smartdefine.org/ruinous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, ruinous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ruinous/thesaurus/synonyms>.
MLASmart Define. "ruinous thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/ruinous/thesaurus/synonyms>