Synonyms|531Antonyms|137|Broader|0Narrower|0Related|146

475 entries under adjective topic. ×

1
purposeful(determined, serious, resolute, persistent)
1
putting on airs(expression, idiom, indifferent, detached)
1
realistic(reasonable, sensible, practical)
1
relentless(brutal, barbarous)
1
resolute(serious, persistent, unwavering, gritty)
1
resolved(serious, resolute, persistent, unwavering)
1
rigid
1
rigorous(harsh, grim, painful, bleak)
1
rugged(harsh, grim, painful, bleak)
1
ruthless(brutal, barbarous)
1
serious(resolute, persistent, unwavering, gritty)
1
set(serious, resolute, persistent, dogged)
1
set in stone(expression, idiom, firm, determined)
1
set on(expression, serious, resolute, persistent)
1
settled(serious, resolute, persistent, unwavering)
1
single-minded(serious, resolute, persistent, unwavering)
1
sober(reasonable, sensible, practical, realistic)
1
solid(serious, resolute, persistent, pat)
1
steadfast(serious, resolute, persistent, unwavering)
1
steely(stiff, brutal, hard-hearted, obdurate)
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ChicagoSmart Define. 2013. "hardboiled thesaurus" https://smartdefine.org/hardboiled/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, hardboiled thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardboiled/thesaurus/synonyms>.
MLASmart Define. "hardboiled thesaurus" 18 May 2013. Web. 26 September 2026. <https://smartdefine.org/hardboiled/thesaurus/synonyms>