123 entries under keen topic. ×

14
forceful(adjective, activity, action, strong, direct)
13
fresh(adjective, activity, strong, tough, pleasant)
13
frisky(adjective, activity, moving, sharp)
12
diligent(adjective, activity, difficult, energetic)
12
enterprising(adjective, activity, action, strong, tough)
11
assiduous(adjective, activity, smart, difficult)
11
intense(adjective, activity, strong, tough)
10
fast(adjective, express, energetic, quick)
10
perky(adjective, activity, moving, happy)
10
ready(adjective, activity, tough, sharp)
10
sharp(adjective, activity, open, pleasant)
9
rapid(adjective, activity, movement, moving)
8
aggressive(adjective, activity, strong, energetic)
8
chipper(adjective, activity, good, clear, strong)
8
forcible(adjective, activity, strong, direct, sound)
8
on the go(expression, adjective, idiom, adverb)
7
eventful(adjective, activity, energetic, lively)
6
dashing(adjective, activity, strong, moving, tough)
6
dexterous(adjective, activity, sharp, skill)
6
engaged(adjective, activity, energetic, lively)
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APASmart Define. (2016). active thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/active/thesaurus/synonyms
ChicagoSmart Define. 2016. "active thesaurus" https://smartdefine.org/active/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, active thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/active/thesaurus/synonyms>.
MLASmart Define. "active thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/active/thesaurus/synonyms>