39 entries under pigheaded topic. ×

4
tough(adjective, mean, strong, hard, firm)
3
hard(adjective, mean, strong, tough, harsh)
1
bullhead(adjective, mean, hard, tough, harsh)
1
cold fish(expression, adjective, mean, hard, stubborn)
1
hard-boiled(adjective, mean, hard, tough, harsh)
1
hard-hearted(adjective, mean, hard, tough, harsh)
1
harsh(adjective, mean, hard, tough, inflexible)
1
implacable(adjective, mean, hard, tough, firm)
1
indurate(adjective, mean, hard, tough, harsh)
1
iron(adjective, mean, strong, hard, tough)
1
mean(adjective, hard, tough, harsh, inflexible)
1
perverse(adjective, mean, hard, tough, firm)
1
stiff-necked(adjective, mean, hard, tough, firm)
1
thick-skinned(adjective, mean, hard, tough, harsh)
1
tough nut to crack(expression, adjective, idiom, mean, hard)
1
uncompassionate(adjective, mean, hard, tough, harsh)
1
uncooperative(adjective, mean, hard, tough, harsh)
1
unimpressible(adjective, mean, hard, tough, harsh)
1
unsympathetic(adjective, mean, hard, tough, harsh)
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APASmart Define. (2015). unshakable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unshakable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>.
MLASmart Define. "unshakable thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms>