56 entries under powerfully topic. ×

14
ferociously(adverb, terrible, fast, sprightly, severely)
13
furiously(adjective, adverb, strong, fast, sprightly)
11
wildly(adjective, adverb, fast, sprightly, severely)
9
violently(adjective, adverb, fast, sprightly, severely)
9
intensely(adjective, adverb, fast, sprightly, severely)
8
cruelly(adverb, fast, sprightly, severely, seriously)
8
brutally(adverb, terrible, fast, sprightly, severely)
7
excitedly(intensely, hastily, wildly, impulsively)
7
savagely(adverb, fast, sprightly, severely, intensely)
6
frantically(adjective, adverb, strong, fast, sprightly)
5
madly(adjective, adverb, fast, sprightly, severely)
4
angrily(adverb, fast, sprightly, severely, intensely)
4
sharply(adverb, fast, sprightly, severely, seriously)
4
strongly(adverb, fast, sprightly, severely, seriously)
4
viciously(adverb, fast, sprightly, severely, intensely)
3
hard(adjective, adverb, strong, fast, intensely)
3
energetically(adjective, adverb, fast, intensely, earnestly)
3
relentlessly(adverb, fast, sprightly, severely, seriously)
3
severely(adverb, fast, badly, sprightly, intensely)
3
turbulently(adjective, adverb, fast, sprightly, severely)
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APASmart Define. (2016). fiercely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fiercely/thesaurus/synonyms
ChicagoSmart Define. 2016. "fiercely thesaurus" https://smartdefine.org/fiercely/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, fiercely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fiercely/thesaurus/synonyms>.
MLASmart Define. "fiercely thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/fiercely/thesaurus/synonyms>