139 entries under stubborn topic. ×

2
cussed(adjective, tough, persistent, obstinate)
2
hard-boiled(adjective, mean, strong, hard, tough)
2
hard-hearted(adjective, mean, hard, tough, harsh)
2
opinionated(adjective, tough, determined, unreasonable, fixed)
2
persisting(adjective, strong, tough, determined, steady)
2
perverse(adjective, mean, hard, tough, determined)
2
rebellious(adjective, tough, unreasonable, inflexible, obstinate)
2
unadaptable(adjective, hard, rigid, inflexible, strict)
1
bullhead(adjective, mean, hard, tough, harsh)
1
cold fish(expression, adjective, mean, hard)
1
dyed-in-the-wool(adjective, close, set, strong, hard)
1
locked in(expression, adjective, secure, tough, determined)
1
made fast(expression, secure, rigid, inflexible)
1
mean(adjective, clear, hard, tough, severe)
1
self-willed(tough, determined, fixed, inflexible, obstinate)
1
stringent(adjective, set, hard, tough, severe)
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
unimpressible(adjective, mean, hard, tough, harsh)
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APASmart Define. (2016). firm thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/firm/thesaurus/synonyms
ChicagoSmart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, firm thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>.
MLASmart Define. "firm thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms>