215 entries under adjective topic. ×

1
fireball(strong, firm, determined, steady)
1
flintlike
1
forcible(strong, moving, lively, active)
1
full of beans(expression, idiom, active, peppy)
1
full of pep(expression, idiom, strong, speedy)
1
go-go(strong, firm, determined, steady)
1
hardy(strong, moving, lively, active)
1
high-powered(strong, moving, energetic, lively)
1
implacable
1
intense
1
intrepid
1
invigorated
1
iron-willed
1
jumping
1
keen
1
lusty(strong, moving, energetic, lively)
1
mettlesome
1
on the go
1
potent(strong, moving, energetic, lively)
1
powerful(strong, moving, energetic, lively)
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APASmart Define. (2016). tireless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tireless/thesaurus/synonyms
ChicagoSmart Define. 2016. "tireless thesaurus" https://smartdefine.org/tireless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, tireless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tireless/thesaurus/synonyms>.
MLASmart Define. "tireless thesaurus" 19 February 2016. Web. 26 September 2026. <https://smartdefine.org/tireless/thesaurus/synonyms>