Synonyms|243Antonyms|27|Broader|1Narrower|0Related|59
1
by the book(expression, adjective, idiom, strong, hard)
1
cantankerous(adjective, tough, firm, difficult, wild)
1
case-hardened
1
clingy
1
closed-minded
1
committed(adjective, resolute)
1
constant(adjective, resolute)
1
contumacious(tough, firm, deliberate, determined, unreasonable)
1
cussed(tough, firm, unreasonable, grim, inflexible)
1
decided(adjective, resolute)
1
dedicated(adjective, resolute)
1
disciplinary(adjective, strong, hard, tough, severe)
1
dour
1
dyed-in-the-wool(adjective, strong, hard, tough, severe)
1
earnest(adjective, resolute)
1
enduring(adjective, tenacious)
1
fanatic
1
fanatical
1
fearless(adjective, resolute)
1
fervent(adjective, tenacious)
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ChicagoSmart Define. 2015. "bullheaded thesaurus" https://smartdefine.org/bullheaded/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, bullheaded thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/bullheaded/thesaurus/synonyms>.
MLASmart Define. "bullheaded thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/bullheaded/thesaurus/synonyms>