1
doomful
1
down-and-out
1
down-at-the-heel
1
drabbletailed
1
draggled
1
draggletailed
1
dusty
1
eradicative(adjective, harmful, injurious, damaging, deadly)
1
erosive
1
extirpative(adjective, harmful, injurious, damaging, deadly)
1
extravagant(adjective, devastating, disastrous)
1
fell(adjective, unpleasant, grim, harmful, injurious)
1
ferocious(adjective, severe, intense, unpleasant, grim)
1
finished
1
fratricidal
1
frowzy
1
frumpish
1
frumpy
1
fusty
1
glowering
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APASmart Define. (2016). ruinous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ruinous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ruinous thesaurus" https://smartdefine.org/ruinous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, ruinous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ruinous/thesaurus/synonyms>.
MLASmart Define. "ruinous thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/ruinous/thesaurus/synonyms>