1
game
1
headstrongness(noun, resolution)
1
heartiness(noun, resolution)
1
immovability(noun, temper, determination, resolution, composure)
1
inflexibility
1
lastingness(noun, perseverance)
1
loyalty
1
permanence
1
plodding
1
plugging
1
preoccupation
1
prolonging(noun, determination, resolution, endurance, persistence)
1
pursuance(noun, temper, determination, resolution, composure)
1
sedulity(noun, temper, determination, resolution, composure)
1
single-mindedness(noun, persistence, tenacity)
1
stability
1
stick-to-itiveness(noun, temper, determination, resolution, composure)
1
stoniness(noun, resolution)
1
survivability(noun, perseverance)
1
toughness(noun, resolution)
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APASmart Define. (2015). indefatigability thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indefatigability/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefatigability thesaurus" https://smartdefine.org/indefatigability/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, indefatigability thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indefatigability/thesaurus/synonyms>.
MLASmart Define. "indefatigability thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/indefatigability/thesaurus/synonyms>