5
viciously
5
wretchedly(adverb, arouse bad feelings)
4
calamitously(adverb, arouse bad feelings, evilly)
4
cruelly(adverb, strictly, harshly, sternly, terribly)
4
dangerously(adverb, strictly, harshly, sternly, unfortunately)
4
deficiently(adverb, poorly, weakly, wrongly, scarcely)
4
evilly(adverb, evilly)
4
feeble
4
grievously
4
hardly(adverb, severely, vigorously, strictly, harshly)
4
imperfectly(adverb, poorly, carelessly, faultily, deficiently)
4
ineptly(adverb, poorly, weakly, wrongly, carelessly)
4
painfully
4
sickly
4
unluckily
4
weakly(adverb, poorly)
3
abominably(adverb, evilly)
3
adversely
3
astray
3
deplorable(adjective, sad, unhappy, sorrow, suffer)
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APASmart Define. (2016). badly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/badly/thesaurus/synonyms
ChicagoSmart Define. 2016. "badly thesaurus" https://smartdefine.org/badly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, badly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/badly/thesaurus/synonyms>.
MLASmart Define. "badly thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/badly/thesaurus/synonyms>