Synonyms|476Antonyms|57|Broader|2Narrower|0Related|256

148 entries under persistent topic. ×

1
hard-as-nails(adjective, serious, resolute, unwavering)
1
hard-line(adjective, obstinate, insistent, dogged)
1
hard-shell(adjective, obstinate, insistent, dogged)
1
hard-shelled(adjective, obstinate, insistent, dogged)
1
hardboiled(adjective, serious, resolute, unwavering)
1
harsh(adjective, mean, severe, cruel, determined)
1
hidebound(adjective, obstinate, insistent, dogged)
1
incessant(adjective, strong, firm, determined, steady)
1
inhuman(adjective, harsh, cruel, determined, fierce)
1
insubordinate(adjective, obstinate, insistent, dogged)
1
insurgent(adjective, obstinate, insistent, dogged)
1
mean business(expression, adjective, serious, resolute)
1
mutinous(adjective, obstinate, insistent, dogged)
1
narrow-minded(adjective, obstinate, insistent, dogged)
1
never-failing(adjective, strong, flat, certain, determined)
1
obsessive(adjective, obstinate, insistent, dogged)
1
on ice(expression, adjective, serious, resolute)
1
pat(adjective, serious, resolute, unwavering)
1
pitiless(adjective, mean, severe, harsh, cruel)
1
remorseless(adjective, harsh, cruel, determined, fierce)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>