88 entries under adjective topic. ×

1
pig-headed(determined, resolute, obstinate, uncompromising)
1
reserved(tough, firm, fixed, distant)
1
rigorous(hard, resolute, rigid, inflexible)
1
single-minded(set, tough, firm, distant)
1
steely(set, hard, stiff, rigid)
1
stringent(set, hard, stiff, rigid)
1
tenacious(determined, resolute, obstinate, uncompromising)
1
tough(determined, resolute, obstinate, uncompromising)
1
unadaptable(set, hard, stiff, rigid)
1
unchangeable(set, hard, stiff, rigid)
1
unflexible(tough, firm, fixed, distant)
1
uptight(tough, firm, fixed, distant)
0
staunch(set, hard, stiff, resolute)
0
austere
0
crusty
0
dour
0
flinty
0
grim
0
gritty
0
hardnosed
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APASmart Define. (2015). unswayable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unswayable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unswayable thesaurus" https://smartdefine.org/unswayable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unswayable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unswayable/thesaurus/synonyms>.
MLASmart Define. "unswayable thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unswayable/thesaurus/synonyms>