48 entries under rigid topic. ×

5
pat(adjective, firm, solid, wild, determined)
4
tough(adjective, calm, mean, strong, hard)
3
inelastic(adjective, tough, severe, firm, exact)
2
locked in(expression, adjective, secure, tough, severe)
2
single-minded(adjective, tough, firm, solid, cruel)
1
bullhead(adjective, mean, hard, tough, harsh)
1
crisp(adjective, tough, firm, fixed, distant)
1
decided(adjective, firm, determined, usual, regular)
1
distant(adjective, tough, firm, fixed)
1
do or die(expression, adjective, idiom, tough, firm)
1
dug in(expression, adjective, secure, tough, firm)
1
formal(adjective, tough, firm, fixed, distant)
1
hard as nails(expression, adjective, idiom, tough, firm)
1
hardboiled(adjective, firm, determined, stiff, unfeeling)
1
hold the fort(expression, adjective, idiom, tough, firm)
1
hold the line(expression, adjective, idiom, tough, firm)
1
implacable(adjective, mean, hard, cruel)
1
incompliant(adjective, tough, severe, firm, difficult)
1
indurate(adjective, set, mean, hard, firm)
1
intractable(adjective, tough, firm, fixed, distant)
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APASmart Define. (2015). set in stone thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/set_in_stone/thesaurus/synonyms
ChicagoSmart Define. 2015. "set in stone thesaurus" https://smartdefine.org/set_in_stone/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, set in stone thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/set_in_stone/thesaurus/synonyms>.
MLASmart Define. "set in stone thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/set_in_stone/thesaurus/synonyms>