72 entries under strong topic. ×

2
indomitable(adjective, firm, determined, steady)
2
plodding(adjective, firm, determined, steady)
2
plugging(adjective, firm, determined, steady)
2
positive(adjective, good, clear, solid)
2
tried-and-true(adjective, good, honest, solid)
2
true-blue(adjective, good, open, honest)
2
unflinching(adjective, set, firm, determined)
1
conscientious(adjective, good, consistent, trustworthy)
1
continued(adjective, firm, determined, steady)
1
eager beaver(expression, adjective, firm, determined)
1
fireball(adjective, firm, determined, steady)
1
go-go(adjective, firm, determined, steady)
1
good(consistent, trustworthy, steadfast, dependable)
1
grind(adjective, firm, energetic, determined)
1
impeccable(good, solid, steady, consistent)
1
there(adjective, honest, sensible, solid)
1
tried(honest, solid, true, reliable)
1
undeterred(adjective, firm, determined, steady)
1
unequivocal(good, clear, solid, certain)
1
unimpeachable(solid, steady, consistent, steadfast)
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APASmart Define. (2016). unfailing thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unfailing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unfailing thesaurus" https://smartdefine.org/unfailing/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unfailing thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unfailing/thesaurus/synonyms>.
MLASmart Define. "unfailing thesaurus" 3 March 2016. Web. 30 September 2026. <https://smartdefine.org/unfailing/thesaurus/synonyms>