36 entries under serious topic. ×

1
purposeful(adjective, determined, resolute, persistent)
1
resolute(adjective, persistent, unwavering, gritty)
1
resolved(adjective, resolute, persistent, unwavering)
1
set(adjective, resolute, persistent, dogged)
1
set on(expression, adjective, resolute, persistent)
1
settled(adjective, resolute, persistent, unwavering)
1
single-minded(adjective, resolute, persistent, unwavering)
1
solid(adjective, resolute, persistent, pat)
1
steadfast(adjective, resolute, persistent, unwavering)
1
strong-minded(adjective, determined, resolute, persistent)
1
strong-willed(adjective, resolute, persistent, unwavering)
1
tenacious(adjective, resolute, persistent, unwavering)
1
unfaltering(adjective, resolute, persistent, unwavering)
1
unflinching(adjective, resolute, persistent, unwavering)
1
unhesitating(adjective, resolute, persistent, unwavering)
1
unwavering(adjective, resolute, persistent, gritty)
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APASmart Define. (2013). hardboiled thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hardboiled/thesaurus/synonyms
ChicagoSmart Define. 2013. "hardboiled thesaurus" https://smartdefine.org/hardboiled/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, hardboiled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hardboiled/thesaurus/synonyms>.
MLASmart Define. "hardboiled thesaurus" 18 May 2013. Web. 28 September 2026. <https://smartdefine.org/hardboiled/thesaurus/synonyms>