3
demoniacally(adverb, terrible, in awful way)
3
intensely(adverb, fast, sprightly, severely, fiercely)
3
vengeance
2
In a cruelhearted way(adverb, terrible, in awful way)
2
angrily(adverb, fast, sprightly, severely, intensely)
2
boisterously(adverb, fast, sprightly, severely, intensely)
2
devilishly
2
felly
2
forcibly(adverb, fast, sprightly, severely, intensely)
2
frantically(adverb, fast, sprightly, severely, intensely)
2
hard(adverb, fast, severely, intensely, fiercely)
2
inhumanely
2
inhumanly
2
meanly(adverb, fast, sprightly, severely, intensely)
2
outrageously(adverb, violently)
2
relentlessly(adverb, fast, sprightly, severely, intensely)
2
remorselessly(adverb, fast, intensely, fiercely, violently)
2
roughly(adverb, fast, sprightly, severely, intensely)
2
ruthlessly
2
severely(adverb, fast, sprightly, intensely, fiercely)
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APASmart Define. (2016). ferociously thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ferociously/thesaurus/synonyms
ChicagoSmart Define. 2016. "ferociously thesaurus" https://smartdefine.org/ferociously/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ferociously thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ferociously/thesaurus/synonyms>.
MLASmart Define. "ferociously thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/ferociously/thesaurus/synonyms>