Synonyms|374Antonyms|68|Broader|6Narrower|0Related|45
1
bound
1
bound and determined(adjective, untiring)
1
brawny(strong, fit, healthy, well, robust)
1
breezy(adjective, strong, moving, lively, active)
1
businesslike
1
coherent(adjective, continuous)
1
committed(adjective, resolute)
1
connected(adjective, continuous)
1
consecutive(adjective, continuous)
1
consistent(adjective, continuous)
1
continued(adjective, strong, firm, determined, steady)
1
cyclical(adjective, continuous)
1
dead set on(adjective, untiring)
1
demoniac(adjective, strong, moving, lively, active)
1
dependable
1
eager beaver(expression, adjective, strong, firm, determined)
1
even(adjective, continuous)
1
everlasting(adjective, continuous)
1
featureless(adjective, continuous)
1
fireball(adjective, strong, firm, determined, steady)
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APASmart Define. (2015). indefatigable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indefatigable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefatigable thesaurus" https://smartdefine.org/indefatigable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, indefatigable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indefatigable/thesaurus/synonyms>.
MLASmart Define. "indefatigable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/indefatigable/thesaurus/synonyms>