38 entries under mean topic. ×

5
unshakable(adjective, strong, hard, tough)
4
implacable(adjective, strong, hard, tough)
4
tough(adjective, strong, hard, firm)
3
set in stone(expression, adjective, idiom, hard)
3
uncooperative(adjective, hard, tough, difficult)
1
bullhead(adjective, hard, harsh, inflexible)
1
cold fish(expression, adjective, hard, stubborn)
1
hanging tough(expression, adjective, hard, determined)
1
hard-boiled(adjective, strong, hard, tough)
1
hard-hearted(adjective, hard, harsh, inflexible)
1
harsh(adjective, strong, hard, tough)
1
indurate(adjective, hard, harsh, inflexible)
1
iron(adjective, strong, hard, tough)
1
thick-skinned(adjective, hard, harsh, inflexible)
1
tough nut to crack(expression, adjective, idiom, hard)
1
uncompassionate(adjective, hard, harsh, inflexible)
1
unimpressible(adjective, hard, harsh, inflexible)
1
unsympathetic(adjective, hard, severe, harsh)
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APASmart Define. (2015). mulish thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/mulish/thesaurus/synonyms
ChicagoSmart Define. 2015. "mulish thesaurus" https://smartdefine.org/mulish/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, mulish thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/mulish/thesaurus/synonyms>.
MLASmart Define. "mulish thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/mulish/thesaurus/synonyms>