29 entries under vigorous topic. ×

4
nimble(adjective, keen, intense, energetic, lively)
4
spry(adjective, moving, keen, intense, energetic)
3
pushing(adjective, keen, intense, energetic, lively)
3
sprightly(adjective, keen, intense, energetic, lively)
3
zealous(adjective, strong, keen, intense, energetic)
2
agile(adjective, keen, intense, energetic, lively)
2
alert(adjective, moving, keen, intense, energetic)
2
enthusiastic(adjective, moving, keen, intense, energetic)
2
quick(adjective, keen, intense, energetic, lively)
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APASmart Define. (2015). busy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/busy/thesaurus/synonyms
ChicagoSmart Define. 2015. "busy thesaurus" https://smartdefine.org/busy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, busy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/busy/thesaurus/synonyms>.
MLASmart Define. "busy thesaurus" 19 December 2015. Web. 27 September 2026. <https://smartdefine.org/busy/thesaurus/synonyms>