50 entries under fast topic. ×

26
energetically(adverb, strong, intensely, fiercely)
22
powerfully(adverb, strong, seriously, intensely)
15
strongly(adverb, seriously, intensely, fiercely)
11
actively(adverb, seriously, intensely, fiercely)
11
firmly(adverb, fully, intensely, fiercely)
11
forcibly(adverb, strong, seriously, intensely)
10
spiritedly(adverb, intensely, fiercely, earnestly)
8
intensely(adverb, authority, sprightly, seriously)
7
vivaciously(adverb, seriously, intensely, fiercely)
5
briskly(adverb, seriously, intensely, fiercely)
5
hard(adverb, strong, authority, intensely)
4
animatedly(adverb, seriously, intensely, fiercely)
4
earnestly(adverb, seriously, intensely, fiercely)
4
violently(adverb, sprightly, severely, seriously)
3
fiercely(adverb, seriously, intensely, earnestly)
3
keenly(adverb, seriously, intensely, fiercely)
3
seriously(adverb, intensely, fiercely, earnestly)
2
frantically(adverb, seriously, intensely, fiercely)
2
painfully(adverb, badly, severely, seriously)
2
roughly(adverb, badly, severely, seriously)
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APASmart Define. (2015). vigorously thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/vigorously/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigorously thesaurus" https://smartdefine.org/vigorously/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, vigorously thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/vigorously/thesaurus/synonyms>.
MLASmart Define. "vigorously thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/vigorously/thesaurus/synonyms>