0
obdu(noun, stubbornness, inflexibility, intransigence, inexorability)
0
pitilessness(ruthlessness, mercilessness, relentlessness)
0
pluckiness(noun, spirit, courage, daring, valor)
0
rigor(obstinacy, stubbornness)
0
ruthlessness(pitilessness, mercilessness, relentlessness)
0
spirit(noun, determination, courage, daring, valor)
0
stamp(noun, spirit, determination, courage, temperament)
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staying power
0
stick-to-it-iveness
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strength of character(noun, expression, idiom, resolve, purpose)
0
strength of mind(noun, expression, idiom, resolve, purpose)
0
strictness(ruthlessness, pitilessness, mercilessness, relentlessness)
0
temper(noun, spirit, determination, courage, temperament)
0
temperament(noun, spirit, determination, courage, stamina)
0
unavoidability
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unyieldingness(obstinacy, stubbornness, inflexibility, ruthlessness, pitilessness)
0
valour
0
vigorousness
0
vigour
0
vitality(noun, spirit, determination, courage, temperament)
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APASmart Define. (2015). indomitability thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indomitability/thesaurus/synonyms
ChicagoSmart Define. 2015. "indomitability thesaurus" https://smartdefine.org/indomitability/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, indomitability thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indomitability/thesaurus/synonyms>.
MLASmart Define. "indomitability thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/indomitability/thesaurus/synonyms>