1
bullhead(adjective, mean, hard, harsh, inflexible)
1
by the book(expression, adjective, idiom, strong, hard)
1
cantankerous(tough, firm, difficult, awkward, unreasonable)
1
caprid
1
caprine
1
case-hardened
1
casehardened
1
cocksure
1
cold fish(expression, adjective, mean, hard, stubborn)
1
contradictory(determined, fixed, obstinate, stubborn, willful)
1
cowish
1
cowlike
1
dead set on(expression, adjective, idiom, firm, determined)
1
decided
1
dictatorial
1
disciplinary(adjective, strong, hard, tough, severe)
1
dour
1
dyed-in-the-wool(adjective, strong, hard, tough, severe)
1
equestrian
1
equine
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APASmart Define. (2015). mulish thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/mulish/thesaurus/synonyms
ChicagoSmart Define. 2015. "mulish thesaurus" https://smartdefine.org/mulish/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, mulish thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/mulish/thesaurus/synonyms>.
MLASmart Define. "mulish thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/mulish/thesaurus/synonyms>