6
atrociously(adverb, evilly)
6
monstrously(adverb, evilly)
4
abominably(adverb, evilly)
4
hideously(adverb, evilly)
3
flagrantly
3
nefariously(adverb, evilly)
2
abhorrently
2
awfully
2
badly(adverb, evilly)
2
damnably(adverb, evilly)
2
detestably
2
evilly(adverb, evilly)
2
foully(adverb, evilly)
2
grossly
2
grotesquely
2
hatefully
2
horribly
2
horridly
2
loathsomely(adverb, evilly)
2
offensively(adverb, evilly)
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APASmart Define. (2015). heinously thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/heinously/thesaurus/synonyms
ChicagoSmart Define. 2015. "heinously thesaurus" https://smartdefine.org/heinously/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, heinously thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/heinously/thesaurus/synonyms>.
MLASmart Define. "heinously thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/heinously/thesaurus/synonyms>