26 entries under reserved topic. ×

1
set in stone(expression, adjective, idiom, tough, firm)
1
single-minded(adjective, tough, firm, fixed, distant)
1
standing pat(expression, adjective, tough, firm, distant)
1
uncompromising(adjective, tough, firm, fixed, distant)
1
unswayable(adjective, tough, firm, fixed, distant)
1
uptight(adjective, tough, firm, fixed, distant)
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APASmart Define. (2015). unflexible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unflexible/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflexible thesaurus" https://smartdefine.org/unflexible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unflexible/thesaurus/synonyms>.
MLASmart Define. "unflexible thesaurus" 9 December 2015. Web. 29 September 2026. <https://smartdefine.org/unflexible/thesaurus/synonyms>