6
tenacious(adjective, serious, resolute, persistent, unwavering)
6
unsmiling
6
warrant(noun, mark, sign, agreement, permit)
5
active(adjective, energetic, enthusiastic, lively, vigorous)
5
attentive(adjective, set, kind, reasonable, keen)
5
bail(noun, care, agreement, contract, assurance)
5
candid(adjective, open, honest, total, passionate)
5
close(adjective, strong, hard, severe, harsh)
5
down payment(noun, expression, idiom, security, deposit)
5
earnest money(noun, expression, idiom, deposit, warrant)
5
emotional(adjective, keen, warm, intense, passionate)
5
exuberant(adjective, person, keen, warm, passionate)
5
gage(noun, agreement, contract, counter, assurance)
5
handsel(noun, security, expenditure)
5
heavy(adjective, dull, quiet, big, important)
5
in earnest(expression, adjective, idiom, work, heavy)
5
indefatigable(adjective, resolute)
5
ruminative(adjective, reasonable, rational, thoughtful, sober)
5
scrupulous(adjective, thorough, meticulous, painstaking)
5
significant(adjective, importance, valuable, main, notable)
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APASmart Define. (2016). earnest thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/earnest/thesaurus/synonyms
ChicagoSmart Define. 2016. "earnest thesaurus" https://smartdefine.org/earnest/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, earnest thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/earnest/thesaurus/synonyms>.
MLASmart Define. "earnest thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/earnest/thesaurus/synonyms>