164 entries under determined topic. ×

1
fractious(violent, wild, deliberate, impatient)
1
go for broke(expression, adjective, idiom, harsh, cruel)
1
hang-tough(adjective, strong, hard, tough, harsh)
1
hang in(expression, adjective, harsh, cruel)
1
hard-core(adjective, strong, hard, tough, firm)
1
intent(adjective, strong, flat, intense, certain)
1
locked(rigid, inflexible, obstinate, stubborn)
1
mortal(adjective, mean, harsh, cruel)
1
never-failing(adjective, strong, flat, intense, certain)
1
stable(adjective, strong, secure, flat)
1
steady(adjective, strong, secure, flat)
1
stop at nothing(expression, adjective, idiom, harsh, cruel)
1
sturdy(adjective, strong, hard, tough, firm)
1
sure(adjective, strong, tough, flat, firm)
1
tough nut(expression, fixed, impassive, inflexible)
1
unmovable(adjective, firm, intense, resolute)
1
unqualified(adjective, strong, flat, intense, certain)
1
unstoppable(adjective, harsh, cruel, fierce)
1
vindictive(adjective, mean, harsh, cruel)
1
wrong-headed(fixed, obstinate, stubborn, arrogant)
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APASmart Define. (2016). obdurate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms
ChicagoSmart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, obdurate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>.
MLASmart Define. "obdurate thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms>