103 entries under vigorously topic. ×

4
spiritedly(adverb, fast, seriously, intensely, fiercely)
4
vigorously(adverb, fast, seriously, intensely, fiercely)
3
sedately(adverb, seriously, actively, truly)
3
animatedly(adverb, fast, seriously, intensely, fiercely)
3
industriously(adverb, thoroughly, closely, actively)
3
perseveringly(adverb, actively, hastily, carefully)
3
persistently(adverb, thoroughly, closely, actively)
3
powerfully(adverb, fast, seriously, intensely, fiercely)
3
purposefully(adverb, seriously, quickly, actively)
3
relentlessly(adverb, fast, sprightly, seriously, intensely)
3
studiously(adverb, actively, hastily, carefully)
2
briskly(adverb, fast, seriously, intensely, fiercely)
2
diligently(adverb, thoroughly, closely, actively)
2
down(adverb, seriously, actively, truly)
2
for real(expression, adverb, seriously, actively)
2
forcibly(adverb, fast, seriously, intensely, fiercely)
2
in all seriousness(expression, idiom, adverb, seriously)
2
strenuously(adverb, thoroughly, hastily, carefully)
2
strongly(adverb, fast, sprightly, seriously, intensely)
2
vivaciously(adverb, fast, seriously, intensely, fiercely)
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APASmart Define. (2016). earnestly thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/earnestly/thesaurus/synonyms
ChicagoSmart Define. 2016. "earnestly thesaurus" https://smartdefine.org/earnestly/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, earnestly thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/earnestly/thesaurus/synonyms>.
MLASmart Define. "earnestly thesaurus" 11 March 2016. Web. 27 September 2026. <https://smartdefine.org/earnestly/thesaurus/synonyms>