Synonyms|118Antonyms|16|Broader|0Narrower|0Related|111

36 entries under persistent topic. ×

1
bent(adjective, serious, resolute, unwavering)
1
bent on(expression, adjective, serious, resolute)
1
buckled down(expression, adjective, serious, resolute)
1
constant(adjective, serious, resolute, pat)
1
decided(adjective, serious, resolute, unwavering)
1
decisive(adjective, serious, resolute, unwavering)
1
dogged(adjective, serious, resolute, unwavering)
1
driven(adjective, serious, resolute, pat)
1
earnest(adjective, determined, serious, resolute)
1
fixed(adjective, serious, resolute, unwavering)
1
hardboiled(adjective, determined, serious, resolute)
1
intent(adjective, serious, resolute, unwavering)
1
mean business(expression, adjective, serious, resolute)
1
obstinate(adjective, serious, resolute, unwavering)
1
on ice(expression, adjective, serious, resolute)
1
pat(adjective, serious, resolute, unwavering)
1
persevering(adjective, serious, resolute, unwavering)
1
purposeful(adjective, determined, serious, resolute)
1
resolute(adjective, serious, unwavering, gritty)
1
resolved(adjective, serious, resolute, unwavering)
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APASmart Define. (2011). hard-as-nails thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hard-as-nails/thesaurus/synonyms
ChicagoSmart Define. 2011. "hard-as-nails thesaurus" https://smartdefine.org/hard-as-nails/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, hard-as-nails thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hard-as-nails/thesaurus/synonyms>.
MLASmart Define. "hard-as-nails thesaurus" 24 May 2011. Web. 24 September 2026. <https://smartdefine.org/hard-as-nails/thesaurus/synonyms>