148 entries under persistent topic. ×

8
dogged(adjective, strong, firm, harsh, energetic)
8
loyal(adjective, strong, firm, determined, bold)
8
stubborn(adjective, strong, firm, determined, fixed)
8
unbending(adjective, strong, flat, firm, harsh)
7
implacable(adjective, mean, severe, harsh, cruel)
7
inexorable(adjective, mean, severe, harsh, cruel)
7
reliable(adjective, resolute, dedicated, unwavering)
7
set(adjective, strong, flat, firm, certain)
7
stable(adjective, strong, flat, determined, definite)
6
decided(adjective, firm, certain, resolution, limited)
6
faithful(adjective, strong, firm, determined, bold)
6
invincible(adjective, obstinate, insistent, dogged)
6
single-minded(adjective, harsh, cruel, determined, fierce)
6
sure(adjective, strong, flat, certain, determined)
6
true(adjective, strong, flat, firm, certain)
6
uncompromising(adjective, firm, harsh, cruel, determined)
6
unconquerable(adjective, obstinate, insistent, dogged)
6
undeviating(adjective, strong, flat, harsh, certain)
6
unrelenting(adjective, mean, severe, harsh, cruel)
5
adamant(adjective, strong, flat, firm, harsh)
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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>