137 entries under persistent topic. ×

8
brassbound(adjective, resist, determined, resolute)
8
die-hard(adjective, resist, determined, resolute)
8
resolved(adjective, determined, resolution, resolute)
8
stiff-necked(adjective, mean, strong, hard, tough)
7
intractable(adjective, appearance, tough, firm, violent)
7
mulish(adjective, mean, strong, hard, tough)
7
rigorous(adjective, strong, hard, tough, severe)
7
single-minded(adjective, tough, firm, harsh, intense)
7
tough(adjective, mean, strong, hard, firm)
7
unflinching(adjective, mean, severe, harsh, cruel)
6
hardheaded(adjective, strong, hard, tough, determined)
6
hidebound(adjective, determined, resolute, obstinate)
6
indomitable(adjective, strong, hard, tough, resolution)
6
sure(adjective, certain, resolute, obvious)
6
unstoppable(adjective, harsh, cruel, determined, fierce)
5
exacting(adjective, severity, obstinate, insistent)
5
persevering(adjective, tough, firm, determined, unreasonable)
5
unswerving(adjective, intense, determined, resolute)
4
bullheaded(adjective, strong, hard, tough, determined)
4
contrary(adjective, determined, resolute, obstinate)
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APASmart Define. (2015). inexorable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/inexorable/thesaurus/synonyms
ChicagoSmart Define. 2015. "inexorable thesaurus" https://smartdefine.org/inexorable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, inexorable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/inexorable/thesaurus/synonyms>.
MLASmart Define. "inexorable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/inexorable/thesaurus/synonyms>