103 entries under strong topic. ×

2
lively(adjective, moving, active, vigorous)
2
plodding(adjective, firm, determined, steady)
2
plugging(adjective, firm, determined, active)
2
rugged(adjective, sound, tough, fit)
2
spirited(adjective, moving, lively, active)
2
strenuous(adjective, difficult, energetic, lively)
2
tough(adjective, sound, fit, firm)
2
vital(adjective, tough, fit, lively)
1
aggressive(adjective, moving, lively, active)
1
animated(adjective, moving, lively, active)
1
ball of fire(expression, adjective, idiom, lively)
1
brawny(fit, healthy, well, robust)
1
breezy(adjective, moving, lively, active)
1
brisk(adjective, moving, lively, active)
1
continued(adjective, complete, firm, total)
1
demoniac(adjective, moving, lively, active)
1
eager beaver(expression, adjective, firm, determined)
1
fireball(adjective, firm, determined, steady)
1
forcible(adjective, moving, lively, active)
1
go-go(adjective, firm, determined, steady)
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APASmart Define. (2015). unflagging thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unflagging/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflagging thesaurus" https://smartdefine.org/unflagging/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unflagging thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unflagging/thesaurus/synonyms>.
MLASmart Define. "unflagging thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unflagging/thesaurus/synonyms>