45 entries under adverb topic. ×

4
destructively
4
disastrously
4
fatally
3
calamitously
3
cataclysmically
3
catastrophically
2
balefully
2
fatefully
2
perniciously
2
subversively
2
unfortunately
1
cataclysmal
1
damningly
1
deleteriously
1
detrimentally
1
devastatingly
1
harmfully
1
hurtfully
1
injuriously
1
prejudicially
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APASmart Define. (2013). ruinously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ruinously/thesaurus/synonyms
ChicagoSmart Define. 2013. "ruinously thesaurus" https://smartdefine.org/ruinously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, ruinously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ruinously/thesaurus/synonyms>.
MLASmart Define. "ruinously thesaurus" 19 May 2013. Web. 25 September 2026. <https://smartdefine.org/ruinously/thesaurus/synonyms>