42
eager(adjective, activity, person, feeling, strong)
41
sincere(noun, adjective, feeling, open, pleasant)
40
serious(noun, adjective, calm, dull, work)
34
ardent(adjective, person, feeling, strong, kind)
32
grave(adjective, calm, dull, quiet, cool)
32
solemn(adjective, calm, dull, quiet, cool)
31
zealous(adjective, activity, feeling, strong, kind)
29
enthusiastic(adjective, person, feeling, strong, keen)
26
fervent(adjective, feeling, strong, kind, keen)
26
passionate(adjective, feeling, strong, kind, keen)
22
intense(adjective, strong, severe, keen, warm)
21
sober(adjective, calm, dull, quiet, cool)
19
heartfelt(adjective, strong, open, pleasant, keen)
18
devoted(adjective, strong, kind, keen, friendly)
18
fervid(adjective, feeling, strong, keen, warm)
18
hearty(adjective, person, feeling, kind, pleasant)
18
keen(adjective, strong, kind, reasonable, warm)
18
sedate(adjective, calm, dull, quiet, cool)
17
purposeful(adjective, strong, firm, energetic, importance)
17
warm(adjective, strong, kind, pleasant, keen)
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APASmart Define. (2016). earnest thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/earnest/thesaurus/synonyms
ChicagoSmart Define. 2016. "earnest thesaurus" https://smartdefine.org/earnest/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, earnest thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/earnest/thesaurus/synonyms>.
MLASmart Define. "earnest thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/earnest/thesaurus/synonyms>