108 entries under stiff topic. ×

2
starched(adjective, hard, firm, solid)
2
thick(adjective, strong, hard, tough, firm)
2
unadaptable(adjective, set, hard, rigid)
2
well-built(adjective, strong, sound, tough, solid)
2
well-made(adjective, strong, sound, tough, solid)
1
annealed(adjective, hard, firm, solid)
1
athletic(adjective, strong, sound, tough, solid)
1
awkward(tough, difficult, unpleasant, stubborn)
1
benumbed(adjective, hard, firm, solid)
1
buckram(adjective, hard, firm, solid)
1
changeless(adjective, severe, firm, harsh, solid)
1
chilled(adjective, hard, firm, solid)
1
consolidated(adjective, set, hard, firm, solid)
1
contracted(adjective, hard, firm, solid)
1
creaky(adjective, hard, firm, solid)
1
graceless(adjective, hard, firm, solid)
1
healthy(adjective, strong, hard, solid, heavy)
1
hefty(adjective, strong, hard, solid)
1
husky(adjective, strong, hard, solid)
1
impassive(cold, indifferent, steady, fixed)
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APASmart Define. (2016). unyielding thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unyielding/thesaurus/synonyms
ChicagoSmart Define. 2016. "unyielding thesaurus" https://smartdefine.org/unyielding/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unyielding thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unyielding/thesaurus/synonyms>.
MLASmart Define. "unyielding thesaurus" 10 March 2016. Web. 29 September 2026. <https://smartdefine.org/unyielding/thesaurus/synonyms>