31
sincerely(adverb, manner, sincere, politeness, seriously)
12
eagerly(adverb, vigorously, hastily, carefully, keenly)
11
seriously(adverb, fast, resolution, intensely, fiercely)
10
soberly(adverb, seriously, vigorously, actively, truly)
9
thoughtfully(adverb, kindly, seriously, vigorously, actively)
8
gravely(adverb, seriously, vigorously, actively, powerfully)
8
solemnly(adverb, seriously, vigorously, actively, truly)
7
fervently(adverb, kindly, seriously, vigorously, actively)
7
enthusiastically(expression, adverb, vigorously, hastily, carefully)
7
intensely(adverb, fast, very, thoroughly, fully)
7
excitedly(adverb, vigorously, powerfully, keenly, eagerly)
7
grimly(adverb, seriously)
6
ardently(adverb, vigorously, hastily, carefully, enthusiastically)
6
intently(adverb, seriously, vigorously, actively, heartily)
5
heartily(adverb, sincerely)
5
in earnest(expression, idiom, adverb, resolution, seriously)
5
assiduously(adverb, thoroughly, fully, completely, hastily)
4
zealously(adverb, kindly, seriously, vigorously, quickly)
4
actively(adverb, fast, seriously, intensely, fiercely)
4
passionately(adverb, kindly, seriously, vigorously, quickly)
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APASmart Define. (2016). earnestly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/earnestly/thesaurus/synonyms
ChicagoSmart Define. 2016. "earnestly thesaurus" https://smartdefine.org/earnestly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, earnestly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/earnestly/thesaurus/synonyms>.
MLASmart Define. "earnestly thesaurus" 11 March 2016. Web. 20 September 2026. <https://smartdefine.org/earnestly/thesaurus/synonyms>