103 entries under vigorously topic. ×

31
sincerely(adverb, manner, sincere, politeness, seriously)
12
eagerly(adverb, hastily, carefully, keenly)
11
seriously(adverb, fast, resolution, intensely, fiercely)
10
soberly(adverb, seriously, actively, truly)
9
thoughtfully(adverb, kindly, seriously, actively)
8
gravely(adverb, seriously, actively, powerfully)
8
solemnly(adverb, seriously, actively, truly)
7
fervently(adverb, kindly, seriously, actively)
7
enthusiastically(expression, adverb, hastily, carefully)
7
excitedly(adverb, powerfully, keenly, eagerly)
6
ardently(adverb, hastily, carefully, enthusiastically)
6
intently(adverb, seriously, actively, heartily)
5
in earnest(expression, idiom, adverb, resolution, seriously)
4
zealously(adverb, kindly, seriously, quickly)
4
actively(adverb, fast, seriously, intensely, fiercely)
4
passionately(adverb, kindly, seriously, quickly)
4
determinedly(adverb, seriously, actively, truly)
4
energetically(adverb, fast, seriously, intensely, fiercely)
4
resolutely(adverb, resolution, seriously, quickly)
4
severely(adverb, fast, seriously, intensely, fiercely)
10 years ago|9.2k views|share |citing 
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>