30 entries under energetic topic. ×

24
tireless(adjective, strong, continue, lively)
20
unflagging(adjective, strong, continue, firm, solid)
12
assiduous(adjective, determined, vigorous, resolute)
11
industrious(adjective, strong, lively, determined)
11
persevering(adjective, quiet, understanding, gentle)
10
determined(adjective, firm, solid, vigorous)
9
diligent(adjective, determined, vigorous, resolute)
6
vigorous(adjective, strong, moving, lively)
5
patient(adjective, endure, determined, vigorous)
5
strong(adjective, lively, determined, active)
3
dynamic(adjective, strong, moving, lively)
2
lively(adjective, strong, moving, active)
2
spirited(adjective, strong, moving, lively)
2
vital(adjective, strong, moving, lively)
2
zippy(adjective, strong, moving, lively)
1
active(adjective, strong, lively, determined)
1
animated(adjective, strong, moving, lively)
1
ball of fire(expression, adjective, idiom, strong)
1
brisk(adjective, strong, moving, lively)
1
enterprising(adjective, strong, moving, lively)
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APASmart Define. (2015). untiring thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/untiring/thesaurus/synonyms
ChicagoSmart Define. 2015. "untiring thesaurus" https://smartdefine.org/untiring/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, untiring thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/untiring/thesaurus/synonyms>.
MLASmart Define. "untiring thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/untiring/thesaurus/synonyms>