137 entries under persistent topic. ×

67
relentless(adjective, appearance, mean, strong, hard)
64
inflexible(adjective, mean, strong, hard, tough)
64
stubborn(adjective, characteristic, appearance, quality, mean)
63
rigid(adjective, mean, strong, hard, tough)
62
uncompromising(adjective, mean, hard, tough, severe)
62
unrelenting(adjective, appearance, mean, strong, hard)
62
unyielding(adjective, appearance, mean, strong, hard)
57
obdurate(adjective, mean, strong, hard, tough)
50
determined(adjective, strong, hard, tough, harsh)
50
unbending(adjective, mean, strong, hard, tough)
47
firm(adjective, mean, strong, hard, tough)
47
resolute(adjective, appearance, tough, severe, firm)
40
stiff(adjective, tough, severe, firm, harsh)
38
immovable(adjective, mean, strong, hard, tough)
33
adamant(adjective, mean, strong, hard, tough)
32
adamantine(adjective, strong, hard, tough, resist)
32
fixed(adjective, mean, hard, certain, determined)
32
set(adjective, determined, resolute, obstinate)
29
unshakable(adjective, mean, hard, tough, determined)
26
implacable(adjective, appearance, mean, strong, hard)
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APASmart Define. (2015). inexorable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/inexorable/thesaurus/synonyms
ChicagoSmart Define. 2015. "inexorable thesaurus" https://smartdefine.org/inexorable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, inexorable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/inexorable/thesaurus/synonyms>.
MLASmart Define. "inexorable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/inexorable/thesaurus/synonyms>