91 entries under unyielding topic. ×

5
ruthless(adjective, mean, strong, severe, harsh)
5
strong-willed(adjective, strong, firm, resolution, serious)
4
grim(adjective, mean, severe, harsh, cruel)
4
rigid(adjective, harsh, cruel, determined, fierce)
3
merciless(adjective, mean, harsh, cruel, determined)
3
mortal(adjective, mean, severe, harsh, cruel)
3
obdurate(adjective, strong, flat, harsh, certain)
3
pertinacious(adjective, strong, firm, energetic, determined)
3
purposeful(adjective, strong, firm, serious, resolute)
3
severe(adjective, mean, harsh, cruel, persistent)
3
stiff(adjective, harsh, cruel, determined, fierce)
3
strict(adjective, strong, flat, harsh, certain)
3
unappeasable(adjective, mean, severe, harsh, cruel)
2
bound(adjective, strong, flat, harsh, certain)
2
dead set on(expression, adjective, idiom, strong, flat)
2
serious(adjective, strong, firm, determined, resolute)
2
unremitting(adjective, strong, firm, energetic, determined)
1
bound and determined(expression, adjective, idiom, harsh, cruel)
1
compassionless(adjective, mean, severe, harsh, cruel)
1
cutthroat(adjective, mean, severe, harsh, cruel)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>