Synonyms|25Antonyms|1|Broader|1Narrower|0Related|1
3
adamant(adjective, resist, persistence, rigidity, obstinacy)
2
stubborn(adjective, change, position, attitude, determination)
1
adamantine(adjective, resist, firmly)
0
brassbound(adjective, resist, firmly)
0
die-hard(adjective, resist, firmly)
0
grim(adjective, resist, firmly)
0
hard-nosed(adjective, tough, shrewd)
0
hardboiled
0
implacable(adjective, resist, firmly)
0
incompliant(adjective, resist, firmly)
0
inexorable(adjective, resist, firmly)
0
inflexible(adjective, resist, firmly)
0
intransigent(adjective, resist, firmly)
0
iron(adjective, resist, firmly)
0
obdurate(adjective, resist, firmly)
0
relentless(adjective, resist, firmly)
0
remorseless(adjective, resist, firmly)
0
rigid(adjective, resist, firmly)
0
tough-minded(adjective, uncompromising, hardheaded)
0
unbendable(adjective, resist, firmly)
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APASmart Define. (2011). stubborn as a mule thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stubborn_as_a_mule/thesaurus/synonyms
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HarvardSmart Define 2011, stubborn as a mule thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stubborn_as_a_mule/thesaurus/synonyms>.
MLASmart Define. "stubborn as a mule thesaurus" 23 May 2011. Web. 22 September 2026. <https://smartdefine.org/stubborn_as_a_mule/thesaurus/synonyms>