3
furiously(adverb, fast, sprightly, severely, intensely)
3
heartlessly(adverb, cruel, evil way)
3
inexorably(adverb, cruel, in awful way, evil way)
3
inhumanly(adjective, adverb, cruel, evil way)
3
intensely(adverb, fast, sprightly, severely, fiercely)
3
mercilessly(adverb, cruel, in awful way, evil way)
3
pitilessly(adverb, cruel, in awful way, evil way)
3
relentlessly(adverb, cruel, fast, sprightly, severely)
3
roughly(adverb, fast, sprightly, severely, intensely)
3
ruthlessly(adverb, in awful way)
3
something terrible(adverb, cruel, in awful way, evil way)
3
unchristianly(adverb, cruel, in awful way, evil way)
3
unkindly(adverb, cruel, evil way)
3
vengefully(adverb, cruel, in awful way, evil way)
3
violently(adverb, fast, sprightly, severely, intensely)
3
wickedly(adverb, malevolently)
2
angrily(adverb, fast, sprightly, severely, intensely)
2
atrociously
2
cattily(adverb, malevolently)
2
forcibly(adverb, fast, sprightly, severely, intensely)
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APASmart Define. (2016). viciously thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/viciously/thesaurus/synonyms
ChicagoSmart Define. 2016. "viciously thesaurus" https://smartdefine.org/viciously/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, viciously thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/viciously/thesaurus/synonyms>.
MLASmart Define. "viciously thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/viciously/thesaurus/synonyms>