67 entries under firm topic. ×

2
contumacious(adjective, tough, determined, unreasonable)
2
recalcitrant(adjective, tough, stupid, unreasonable)
2
tough(adjective, mean, strong, hard)
2
unmanageable(adjective, tough, unreasonable, grim)
1
agreed(adjective, determined, usual, regular)
1
appointed(adjective, determined, usual, regular)
1
arranged(adjective, determined, usual, regular)
1
bent(adjective, determined, usual, regular)
1
bound(adjective, set, persistent, sure)
1
bound and determined(expression, adjective, idiom, set)
1
cantankerous(adjective, tough, unreasonable, grim)
1
certain(adjective, determined, usual, regular)
1
concluded(adjective, determined, usual, regular)
1
confirmed(adjective, determined, usual, regular)
1
cussed(adjective, tough, unreasonable, grim)
1
customary(adjective, determined, usual, regular)
1
decided(adjective, determined, usual, regular)
1
decisive(adjective, determined, usual, regular)
1
definite(adjective, determined, usual, unreasonable)
1
entrenched(adjective, determined, usual, regular)
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APASmart Define. (2015). stiff-necked thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stiff-necked/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiff-necked thesaurus" https://smartdefine.org/stiff-necked/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, stiff-necked thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stiff-necked/thesaurus/synonyms>.
MLASmart Define. "stiff-necked thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/stiff-necked/thesaurus/synonyms>