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

36 entries under persistent topic. ×

1
serious(adjective, resolute, unwavering, gritty)
1
set(adjective, serious, resolute, unwavering)
1
set on(expression, adjective, serious, resolute)
1
settled(adjective, serious, resolute, unwavering)
1
single-minded(adjective, serious, resolute, unwavering)
1
solid(adjective, serious, resolute, pat)
1
steadfast(adjective, serious, resolute, unwavering)
1
strong-minded(adjective, determined, serious, resolute)
1
strong-willed(adjective, serious, resolute, unwavering)
1
tenacious(adjective, serious, resolute, unwavering)
1
unfaltering(adjective, serious, resolute, unwavering)
1
unflinching(adjective, serious, resolute, unwavering)
1
unhesitating(adjective, serious, resolute, unwavering)
1
unwavering(adjective, serious, resolute, gritty)
0
firm(adjective, serious, resolute, unwavering)
0
hard as nails(expression, adjective, idiom, determined, serious)
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APASmart Define. (2011). hard-as-nails thesaurus. Retrieved September 25, 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 25, 2026).
HarvardSmart Define 2011, hard-as-nails thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard-as-nails/thesaurus/synonyms>.
MLASmart Define. "hard-as-nails thesaurus" 24 May 2011. Web. 25 September 2026. <https://smartdefine.org/hard-as-nails/thesaurus/synonyms>