77 entries under tough topic. ×

4
single-minded(adjective, firm, harsh, cruel)
4
staunch(adjective, clear, severe, firm)
3
crisp(adjective, severe, firm, fixed)
3
hard-hearted(adjective, mean, hard, harsh)
3
unfeeling(adjective, mean, hard, severe)
3
wayward(adjective, difficult, obstinate, stubborn)
2
dedicated(adjective, clear, severe, determined)
2
fierce(adjective, clear, hard, severe)
2
formal(adjective, firm, careful, distant)
2
heartless(adjective, mean, hard, harsh)
2
locked in(expression, adjective, secure, firm)
2
mean(adjective, clear, hard, severe)
2
ungovernable(difficult, obstinate, stubborn, willful)
2
unmanageable(firm, difficult, unreasonable, obstinate)
2
unruly(difficult, obstinate, stubborn, willful)
1
bullhead(adjective, mean, hard, harsh)
1
cantankerous(firm, difficult, unreasonable, obstinate)
1
contumacious(firm, deliberate, determined, unreasonable)
1
distant(adjective, firm, fixed, rigid)
1
do or die(expression, adjective, idiom, firm)
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APASmart Define. (2015). uncompromising thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/uncompromising/thesaurus/synonyms
ChicagoSmart Define. 2015. "uncompromising thesaurus" https://smartdefine.org/uncompromising/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, uncompromising thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/uncompromising/thesaurus/synonyms>.
MLASmart Define. "uncompromising thesaurus" 26 August 2015. Web. 29 September 2026. <https://smartdefine.org/uncompromising/thesaurus/synonyms>