12
running(adjective, action, movement, moving, awareness)
11
operative(adjective, move, action, movement, direct)
11
acting(noun, adjective, feature, movement, energy)
11
assiduous(adjective, activity, keen, smart, difficult)
11
athletic(adjective, person, strong, sound, tough)
11
going(adjective, action, movement, moving, fast)
11
intense(adjective, activity, strong, tough, keen)
11
living(adjective, movement, alive, existing, breathing)
11
mobile(adjective, movement, moving, lively, fast)
11
snappy(adjective, action, strong, moving, tough)
10
fast(adjective, keen, express, energetic, quick)
10
functioning(adjective, move, action, movement, moving)
10
healthy(adjective, good, person, clear, strong)
10
perky(adjective, activity, moving, keen, happy)
10
potent(adjective, strong, direct, sound, tough)
10
powerful(adjective, strong, direct, sound, tough)
10
ready(adjective, activity, tough, keen, sharp)
10
sharp(adjective, activity, open, pleasant, keen)
10
vital(adjective, good, clear, strong, tough)
9
rapid(adjective, activity, movement, moving, keen)
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APASmart Define. (2016). active thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/active/thesaurus/synonyms
ChicagoSmart Define. 2016. "active thesaurus" https://smartdefine.org/active/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, active thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/active/thesaurus/synonyms>.
MLASmart Define. "active thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/active/thesaurus/synonyms>