1
dead set on
1
decided
1
decisive(adjective, tenacious)
1
definite
1
deliberate
1
delivering
1
demoniac(adjective, strong, moving, lively, active)
1
dyed-in-the-wool
1
eager(determined, cheerful, meticulous, industrious, optimistic)
1
eager beaver(expression, adjective, strong, firm, determined)
1
elated(cheerful, optimistic, rosy, expectant)
1
emboldened(cheerful, optimistic, rosy, expectant)
1
endless
1
enthusiastic(determined, active, cheerful, resolute, optimistic)
1
eternal
1
everlasting
1
expecting(cheerful, optimistic, rosy, expectant)
1
fireball(adjective, strong, firm, determined, steady)
1
flintlike(adjective, tenacious)
1
forcible(adjective, strong, moving, lively, active)
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APASmart Define. (2015). unflagging thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unflagging/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflagging thesaurus" https://smartdefine.org/unflagging/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unflagging thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unflagging/thesaurus/synonyms>.
MLASmart Define. "unflagging thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unflagging/thesaurus/synonyms>