1
committed(adjective, resolute)
1
confirmed(adjective, persistent, obstinate, insistent, dogged)
1
continued(adjective, strong, firm, determined, steady)
1
cool(adjective, calm, strong, tough, bold)
1
cussed(adjective, persistent, obstinate, insistent, dogged)
1
daredevil(strong, tough, bold, resolute, spirited)
1
dashing(strong, bold, wise, spirited, brave)
1
dead set on(expression, idiom, determined, vigorous, fixed)
1
definitive
1
deliberate(adjective, resolute)
1
demanding(adjective, persistent, obstinate, insistent, dogged)
1
disobedient(adjective, persistent, obstinate, insistent, dogged)
1
disorderly(violent, wild, irritable, restless, unruly)
1
dominating
1
dyed-in-the-wool(adjective, set, strong, hard, tough)
1
exacting(adjective, persistent, obstinate, insistent, dogged)
1
exactly
1
fervent(adjective, tenacious)
1
fiery(strong, tough, bold, resolute, spirited)
1
fire-eating(adjective, strong, tough, noble, bold)
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APASmart Define. (2015). indomitable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/indomitable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indomitable thesaurus" https://smartdefine.org/indomitable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, indomitable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/indomitable/thesaurus/synonyms>.
MLASmart Define. "indomitable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/indomitable/thesaurus/synonyms>