Synonyms|319Antonyms|166|Broader|2Narrower|0Related|1.1k

49 entries under inflexible topic. ×

4
tough(adjective, strong, hard, determined, unreasonable)
3
firm(adjective, strong, hard, tough, determined)
2
persevering(tough, firm, determined, unreasonable, grim)
2
solid(adjective, firm, obstinate, stubborn)
1
cantankerous(tough, firm, unreasonable, grim)
1
contumacious(tough, firm, unreasonable, grim)
1
cussed(tough, firm, unreasonable, grim)
1
hard and fast(expression, adjective, idiom, unbending)
1
insubordinate(tough, firm, unreasonable, grim)
1
ornery(tough, firm, unreasonable, grim)
1
persistent(tough, firm, determined, unreasonable, grim)
1
rebellious(tough, firm, unreasonable, grim)
1
recalcitrant(tough, firm, unreasonable, grim)
1
refractory(tough, firm, unreasonable, grim)
1
strict(adjective, strong, hard, tough, severe)
1
unmanageable(tough, firm, unreasonable, grim)
1
unreasonable(tough, firm, grim, obstinate)
1
untoward(tough, firm, unreasonable, grim)
0
bolshie(obstinate, willful)
0
hardened inflexible(expression, unbending)
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APASmart Define. (2015). hardheaded thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hardheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hardheaded thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>.
MLASmart Define. "hardheaded thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms>