Synonyms|87Antonyms|0|Broader|0Narrower|0Related|0
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serious(adjective, sober, resolute, persistent, unwavering)
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set(adjective, serious, resolute, persistent, unwavering)
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set on(expression, adjective, serious, resolute, persistent)
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settled(adjective, intense, deliberate, determined, serious)
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single-minded(adjective, intense, deliberate, cruel, determined)
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solemn(adjective, thoughtful, sober, serious, sincere)
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solid(adjective, serious, resolute, persistent, pat)
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somber(adjective, thoughtful, sober, serious, sincere)
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stable(adjective, thoughtful, sober, serious, sincere)
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staid(adjective, thoughtful, sober, serious, sincere)
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steadfast(adjective, intense, deliberate, determined, serious)
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steady(adjective, intense, deliberate, determined, thoughtful)
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strong-minded(adjective, determined, serious, resolute, persistent)
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strong-willed(adjective, intense, deliberate, determined, serious)
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telelogical(intense, deliberate, determined, resolute, focused)
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tenacious(adjective, intense, deliberate, determined, serious)
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undeviating(intense, deliberate, determined, resolute, focused)
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unfaltering(adjective, intense, deliberate, determined, serious)
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unflinching(adjective, serious, resolute, persistent, unwavering)
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unhesitating(adjective, serious, resolute, persistent, unwavering)
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APASmart Define. (2015). mean business thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mean_business/thesaurus/synonyms
ChicagoSmart Define. 2015. "mean business thesaurus" https://smartdefine.org/mean_business/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mean business thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mean_business/thesaurus/synonyms>.
MLASmart Define. "mean business thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/mean_business/thesaurus/synonyms>