35 entries under determined topic. ×

5
rigid(adjective, tough, severe, firm, harsh)
4
grim(adjective, tough, severe, resolute)
3
firm(adjective, tough, severe, harsh)
3
inexorable(adjective, resolute, uncompromising, unshakeable)
3
inflexible(adjective, resolute, uncompromising, unshakeable)
3
intransigent(adjective, resolute, uncompromising, unshakeable)
3
obdurate(adjective, resolute, uncompromising, unshakeable)
3
unbending(adjective, resolute, uncompromising, unshakeable)
3
uncompromising(adjective, resolute, unshakeable)
3
unrelenting(adjective, resolute, uncompromising, unshakeable)
3
unyielding(adjective, resolute, uncompromising, unshakeable)
2
resolute(adjective, uncompromising, unshakeable)
1
adamantine(adjective, resolute, uncompromising, unshakeable)
1
brassbound(adjective, resolute, uncompromising, unshakeable)
1
die-hard(adjective, resolute, uncompromising, unshakeable)
1
immovable(adjective, resolute, uncompromising, unshakeable)
1
implacable(adjective, resolute, uncompromising, unshakeable)
1
incompliant(adjective, resolute, uncompromising, unshakeable)
1
indurate(adjective, resolute, uncompromising, unshakeable)
1
iron(adjective, resolute, uncompromising, unshakeable)
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APASmart Define. (2015). dead set thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dead_set/thesaurus/synonyms
ChicagoSmart Define. 2015. "dead set thesaurus" https://smartdefine.org/dead_set/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, dead set thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dead_set/thesaurus/synonyms>.
MLASmart Define. "dead set thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/dead_set/thesaurus/synonyms>