69 entries under adjective topic. ×

1
puritanical(tough, severe, firm, harsh)
1
relentless(determined, resolute, uncompromising, unshakeable)
1
remorseless(determined, resolute, uncompromising, unshakeable)
1
resolved(determined, resolute, uncompromising, unshakeable)
1
rigorous(tough, severe, firm, harsh)
1
rock-ribbed(determined, resolute, uncompromising, unshakeable)
1
set(tough, severe, firm, harsh)
1
square(tough, severe, firm, harsh)
1
steadfast(determined, resolute, uncompromising, unshakeable)
1
steely(determined, resolute, uncompromising, unshakeable)
1
stern(tough, severe, firm, harsh)
1
stickling(tough, severe, firm, harsh)
1
stiff-necked(determined, resolute, uncompromising, unshakeable)
1
straight(tough, severe, firm, harsh)
1
strait-laced(tough, severe, firm, harsh)
1
stringent(tough, severe, firm, harsh)
1
strong-willed(determined, resolute, uncompromising, unshakeable)
1
stuffy(tough, severe, firm, harsh)
1
unbendable(determined, resolute, uncompromising, unshakeable)
1
uncompliant(determined, resolute, uncompromising, unshakeable)
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APASmart Define. (2015). dead set thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dead_set/thesaurus/synonyms
ChicagoSmart Define. 2015. "dead set thesaurus" https://smartdefine.org/dead_set/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, dead set thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dead_set/thesaurus/synonyms>.
MLASmart Define. "dead set thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/dead_set/thesaurus/synonyms>