3
untidily(adverb, uncleanly)
3
wickedly(adverb, evilly, malevolently)
2
awfully
2
disgracefully(adverb, evilly)
2
disgustingly(adverb, offensively, sordidly)
2
distastefully(adverb, sordidly, squalidly)
2
foul
2
grossly
2
hatefully(adverb, malevolently)
2
heinously(adverb, evilly)
2
hideously(adverb, evilly)
2
horridly
2
infamously
2
loathsomely(adverb, evilly)
2
maliciously(adverb, malevolently)
2
muckily
2
nefariously(adverb, evilly)
2
obscenely
2
odiously(adverb, uncleanly)
2
offensively(adverb, evilly)
11 years ago|8.2k views|share |citing 
APASmart Define. (2015). foully thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/foully/thesaurus/synonyms
ChicagoSmart Define. 2015. "foully thesaurus" https://smartdefine.org/foully/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, foully thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/foully/thesaurus/synonyms>.
MLASmart Define. "foully thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/foully/thesaurus/synonyms>