7
harmfully
6
detrimentally
5
malignantly(adverb, pathologically)
4
poisonously(adverb, pathologically)
4
unwholesomely(adverb, pathologically)
3
perniciously
3
pestilently(adverb, pathologically)
2
deleteriously
2
hurtfully
2
illy(noun, adverb, pathologically)
2
injuriously
2
malignly
2
mischievously
2
noisomely
2
prejudicially
2
toxically(adverb, pathologically)
1
adversely
1
affectedly(adverb, pathologically)
1
balefully
1
banefully
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APASmart Define. (2015). noxiously thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/noxiously/thesaurus/synonyms
ChicagoSmart Define. 2015. "noxiously thesaurus" https://smartdefine.org/noxiously/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, noxiously thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/noxiously/thesaurus/synonyms>.
MLASmart Define. "noxiously thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/noxiously/thesaurus/synonyms>