Synonyms|13Antonyms|0|Broader|0Narrower|0Related|0
1
buckle down
1
die-hard
1
go for broke(expression, idiom)
1
mean business(verb, expression, mean)
1
never say die(expression, idiom)
0
be deadly serious
0
be determined
0
be resolute
0
be serious
0
mean it(verb, expression, phrasal verb)
0
mean what you say(verb, expression, idiom)
0
not be joking(verb, expression, idiom)
0
stick at nothing(verb, expression, idiom)
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APASmart Define. (2015). be in earnest thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/be_in_earnest/thesaurus/synonyms
ChicagoSmart Define. 2015. "be in earnest thesaurus" https://smartdefine.org/be_in_earnest/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, be in earnest thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/be_in_earnest/thesaurus/synonyms>.
MLASmart Define. "be in earnest thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/be_in_earnest/thesaurus/synonyms>