77 entries under rigid topic. ×

3
uncooperative(adjective, mean, hard, persistent)
2
immutable(hard, resolute, inflexible, strict)
2
intent(adjective, intense, resolute, persistent)
1
bullhead(adjective, mean, hard, tough, harsh)
1
crisp(adjective, tough, firm, fixed, distant)
1
distant(adjective, tough, firm, fixed)
1
do or die(expression, adjective, idiom, tough, firm)
1
dug in(expression, adjective, tough, firm, distant)
1
formal(adjective, tough, severe, firm, serious)
1
hard as nails(expression, adjective, idiom, strong, hard)
1
hold the fort(expression, adjective, idiom, tough, firm)
1
hold the line(expression, adjective, idiom, tough, firm)
1
intense(adjective, harsh, cruel, resolute, persistent)
1
locked in(expression, adjective, tough, severe, firm)
1
reserved(adjective, tough, firm, fixed, distant)
1
strong(adjective, hard, tough, severe, sturdy)
1
tough nut to crack(expression, adjective, idiom, mean, hard)
1
unfaltering(adjective, intense, resolute, persistent)
1
unflexible(adjective, tough, firm, fixed, distant)
1
unimpressible(adjective, mean, hard, tough, harsh)
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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>