85 entries under vigorous topic. ×

11
dexterous(adjective, light, smooth, keen, smart)
11
quick-witted(adjective, cool, sharp, ability, smart)
8
vivacious(adjective, sharp, bright, energetic, lively)
7
dashing(adjective, cool, keen, express, intense)
7
fresh(adjective, cool, pleasant, keen, sharp)
7
zippy(adjective, sharp, energetic, lively, active)
6
animate(adjective, bright, energetic, lively, active)
6
ardent(adjective, energetic, lively, active)
4
passionate(adjective, energetic, violent, lively, active)
4
enthusiastic(adjective, keen, intense, energetic, lively)
4
vital(adjective, pleasant, energetic, lively, ready)
4
vivid(adjective, clear, pleasant, sharp, bright)
3
bustling(adjective, keen, sharp, bright, intense)
3
full of life(expression, adjective, idiom, keen, energetic)
3
good(adjective, pleasant, sharp, smart, bright)
3
sparkling(adjective, clear, sharp, bright, clean)
3
whiz(adjective, smooth, keen, sharp, smart)
2
breezy(adjective, pleasant, energetic, lively, active)
2
busy(adjective, keen, intense, energetic, lively)
2
dynamic(adjective, keen, intense, energetic, lively)
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APASmart Define. (2016). quick thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/quick/thesaurus/synonyms
ChicagoSmart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, quick thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>.
MLASmart Define. "quick thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms>