52 entries under adjective topic. ×

1
obstinate(mean, hard, harsh, inflexible)
1
perverse(mean, hard, tough, harsh)
1
pigheaded(mean, hard, harsh, inflexible)
1
relentless(mean, hard, tough, harsh)
1
rigid(mean, hard, harsh, inflexible)
1
set in stone(expression, idiom, mean, hard)
1
stiff-necked(mean, hard, tough, harsh)
1
thick-skinned(mean, hard, tough, harsh)
1
tough(mean, hard, harsh, inflexible)
1
tough nut to crack(expression, idiom, mean, hard)
1
unbending(mean, hard, harsh, inflexible)
1
uncompassionate(mean, hard, tough, harsh)
1
uncompromising(mean, hard, tough, harsh)
1
uncooperative(mean, hard, tough, harsh)
1
unimpressible(mean, hard, tough, harsh)
1
unrelenting(mean, hard, tough, harsh)
1
unshakable(mean, hard, tough, harsh)
1
unsympathetic(mean, hard, tough, harsh)
1
unyielding(mean, hard, harsh, inflexible)
0
callous
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APASmart Define. (2015). bullhead thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/bullhead/thesaurus/synonyms
ChicagoSmart Define. 2015. "bullhead thesaurus" https://smartdefine.org/bullhead/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, bullhead thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/bullhead/thesaurus/synonyms>.
MLASmart Define. "bullhead thesaurus" 9 April 2015. Web. 28 September 2026. <https://smartdefine.org/bullhead/thesaurus/synonyms>