36 entries under adjective topic. ×

1
obstinate(set, hard, stiff, rigid)
1
single-minded(set, hard, stiff, rigid)
1
staunch(set, hard, stiff, rigid)
1
steadfast(set, hard, stiff, rigid)
1
steely(set, hard, stiff, rigid)
1
stringent(set, hard, stiff, rigid)
1
unadaptable(set, hard, stiff, rigid)
1
unalterable
1
uncompliant(set, hard, stiff, rigid)
1
uncompromising(set, hard, stiff, rigid)
1
unswayable(set, hard, stiff, rigid)
1
written
0
carved in stone
0
dictated
0
set in concrete
0
stiff(set, hard, resolute, rigid)
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APASmart Define. (2015). hard-and-fast thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard-and-fast/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-and-fast thesaurus" https://smartdefine.org/hard-and-fast/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hard-and-fast thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>.
MLASmart Define. "hard-and-fast thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>