2
interminability(noun, durability, perpetuity)
2
intrepidity(noun, power, strength, spirit, dash)
2
leniency(noun, understanding, empathy, pleasure, concern)
2
loyalty(noun, perseverance, reliability, faithfulness, steadiness)
2
lustiness(strength, energy, vivacity)
2
magnanimity(empathy, concern, caring, grace, compassion)
2
oomph(noun, go, energy, vigor, enthusiasm)
2
patientness(noun, acceptance, acknowledgment, avoidance, self-control)
2
perpetuation(period, extension, persistence, continuation, preservation)
2
physical fitness(noun, health, strength, robustness, wellness)
2
pluckiness(noun, spirit, dash, courage)
2
potency(noun, action, go, drive, power)
2
progress(noun, course, track, route, path)
2
progression(stability, steadiness)
2
prolongation(noun, increase, line, spread, course)
2
protraction(extension, stability, persistence, steadiness, continuance)
2
reliability(noun, faithfulness, dependability, loyalty, fidelity)
2
resoluteness(noun, support, control, strength, determination)
2
response(noun, feeling, vigor, liveliness, vitality)
2
rigidity(firmness, stiffness)
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APASmart Define. (2016). endurance thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/endurance/thesaurus/synonyms
ChicagoSmart Define. 2016. "endurance thesaurus" https://smartdefine.org/endurance/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, endurance thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/endurance/thesaurus/synonyms>.
MLASmart Define. "endurance thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/endurance/thesaurus/synonyms>