37 entries under indefatigable topic. ×

2
unwavering(adjective, strong, firm, determined, steady)
2
unwearied(adjective, strong, firm, determined, steady)
1
continued(adjective, strong, firm, determined, steady)
1
dedicated(adjective, strong, firm, determined, steady)
1
devoted(adjective, strong, firm, determined, steady)
1
eager beaver(expression, adjective, strong, firm, determined)
1
fireball(adjective, strong, firm, determined, steady)
1
firm(adjective, strong, determined, steady, constant)
1
go-go(adjective, strong, firm, determined, steady)
1
incessant(adjective, strong, firm, determined, steady)
1
inexhaustible(adjective, strong, firm, determined, steady)
1
staunch(adjective, strong, firm, determined, steady)
1
strong(adjective, firm, determined, steady, constant)
1
unceasing(adjective, strong, firm, determined, steady)
1
undeterred(adjective, strong, firm, determined, steady)
1
unstinted(adjective, strong, firm, determined, steady)
0
determined(adjective, strong, keen, firm, steady)
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APASmart Define. (2015). plugging thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/plugging/thesaurus/synonyms
ChicagoSmart Define. 2015. "plugging thesaurus" https://smartdefine.org/plugging/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, plugging thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/plugging/thesaurus/synonyms>.
MLASmart Define. "plugging thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/plugging/thesaurus/synonyms>