1
unflinching(adjective, resolute)
1
unforgiving(adjective, determined, resolute, uncompromising, unshakeable)
1
ungovernable(tough, difficult, determined, awkward, impulsive)
1
unmanageable(tough, firm, difficult, awkward, unreasonable)
1
unpliable
1
unreasonable(tough, firm, grim, inflexible, obstinate)
1
unshakable(tough, firm, determined, unreasonable, grim)
1
unshakeable(adjective, resolute)
1
unsparing(adjective, strong, hard, tough, severe)
1
untoward(tough, firm, unreasonable, grim, inflexible)
1
valiant(adjective, resolute)
1
viscid
1
wrongheaded
1
zealous(adjective, resolute)
0
bolshie(inflexible, obstinate, willful)
0
bullish
0
bullishly
0
checkmate
0
conscious(deliberate, determined, intentional)
0
contemplated(deliberate, determined, intentional)
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APASmart Define. (2015). bullheaded thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/bullheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "bullheaded thesaurus" https://smartdefine.org/bullheaded/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, bullheaded thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/bullheaded/thesaurus/synonyms>.
MLASmart Define. "bullheaded thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/bullheaded/thesaurus/synonyms>