529 entries under adjective topic. ×

9
merciless(appearance, mean, hard, tough)
9
self-willed(tough, firm, determined, resolute)
9
unchangeable(strong, hard, steady, resolute)
9
unforgiving(mean, hard, tough, severe)
9
unswayable(determined, resolute, rigid, obstinate)
8
bigoted(determined, resolute, obstinate, uncompromising)
8
persevering(strong, tough, flat, firm)
8
set in stone(expression, idiom, set, mean)
7
brassbound(resist, determined, resolute, persistent)
7
bull-headed(determined, resolute, obstinate, stubborn)
7
contumacious(tough, firm, determined, fixed)
7
defiant(unwilling, resistant, opposed, undefeated)
7
die-hard(resist, determined, resolute, persistent)
7
indurate(set, mean, hard, firm)
7
pig-headed(determined, resolute, obstinate, stubborn)
7
pitiless(mean, hard, tough, severe)
7
sturdy(set, strong, hard, sound)
7
unfaltering(strong, firm, intense, certain)
7
unfeeling(mean, hard, severe, harsh)
7
unruly(tough, difficult, unpleasant, determined)
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APASmart Define. (2016). unyielding thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unyielding/thesaurus/synonyms
ChicagoSmart Define. 2016. "unyielding thesaurus" https://smartdefine.org/unyielding/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unyielding thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unyielding/thesaurus/synonyms>.
MLASmart Define. "unyielding thesaurus" 10 March 2016. Web. 28 September 2026. <https://smartdefine.org/unyielding/thesaurus/synonyms>