129 entries under stubborn topic. ×

1
hard-line(tough, firm, difficult, determined, awkward)
1
immutable(adjective, obstinate, unbending)
1
indomitable(tough, difficult, determined, awkward, fixed)
1
indurate(adjective, mean, hard, harsh, inflexible)
1
insubordinate(tough, firm, unreasonable, grim, inflexible)
1
iron(adjective, mean, hard, tough, firm)
1
mean(adjective, hard, harsh, awkward, inflexible)
1
mule(tough, firm, unreasonable, grim, impulsive)
1
ornery(tough, firm, unreasonable, grim, inflexible)
1
rigorous(adjective, obstinate, unbending)
1
staunch(firm, determined, resolute, obstinate)
1
steely(adjective, obstinate, unbending)
1
strong-minded(determined, fixed, impulsive, reckless)
1
stupid(adjective, informal)
1
tough-nut(adjective, hard, tough, difficult, wild)
1
tough nut to crack(expression, adjective, idiom, mean, hard)
1
unimpressible(adjective, mean, hard, harsh, inflexible)
1
unreasonable(tough, firm, grim, inflexible, obstinate)
1
unshakable(adjective, mean, hard, tough, firm)
1
untoward(tough, firm, unreasonable, grim, inflexible)
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APASmart Define. (2015). pigheaded thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/pigheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "pigheaded thesaurus" https://smartdefine.org/pigheaded/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, pigheaded thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/pigheaded/thesaurus/synonyms>.
MLASmart Define. "pigheaded thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/pigheaded/thesaurus/synonyms>