77 entries under rigid topic. ×

14
hard-nosed(adjective, mean, strong, hard, tough)
13
strict(adjective, strong, hard, tough, severe)
10
set in stone(expression, adjective, idiom, mean, hard)
10
steely(adjective, strong, hard, tough, determined)
9
incompliant(adjective, tough, firm, resist, determined)
9
standing pat(expression, adjective, tough, firm, determined)
9
unchangeable(adjective, hard, resolute, inflexible)
9
unswayable(adjective, tough, firm, determined, distant)
8
stiff-necked(adjective, mean, strong, hard, tough)
7
hanging tough(expression, adjective, mean, hard, determined)
7
intractable(adjective, appearance, tough, firm, violent)
7
single-minded(adjective, tough, firm, harsh, intense)
7
tough(adjective, mean, strong, hard, firm)
6
indomitable(adjective, strong, hard, tough, resolution)
6
inelastic(adjective, tough, firm, determined, stiff)
5
dogmatic(fixed, inflexible, uncompromising, intolerant)
5
indurate(adjective, mean, hard, determined, resolute)
4
hard-line(adjective, strong, hard, tough, firm)
4
pigheaded(adjective, mean, hard, tough, determined)
3
immobile(adjective, intense, cruel, resolute, persistent)
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APASmart Define. (2015). inexorable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inexorable/thesaurus/synonyms
ChicagoSmart Define. 2015. "inexorable thesaurus" https://smartdefine.org/inexorable/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, inexorable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inexorable/thesaurus/synonyms>.
MLASmart Define. "inexorable thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/inexorable/thesaurus/synonyms>