141 entries under alert topic. ×

4
vigilant(sharp, bright, lively, quick)
4
voice(verb, adjective, action, characteristic, energy)
3
battle(verb, adjective, action, characteristic, energy)
3
charge(noun, verb, action, energy, vigor)
3
clever(adjective, tough, sharp, bright, energetic)
3
heedful(feature, sharp, bright, lively)
3
in effect(expression, idiom, move, running)
3
intelligent(adjective, keen, sharp, smart, bright)
3
labor(verb, adjective, activity, action, characteristic)
3
laborious(adjective, move, vigor, hardworking)
3
negative(verb, adjective, action, characteristic, energy)
3
observant(feature, sharp, bright, lively)
3
output(verb, adjective, action, characteristic, energy)
3
perk(verb, adjective, action, characteristic, energy)
3
proceeding(adjective, move, moving, vigor)
3
purposeful(adjective, activity, move, vigor)
3
resilient(adjective, move, vigor, lively)
3
rolling(adjective, move, movement, moving, vigor)
3
service(verb, adjective, action, characteristic, energy)
3
speed(noun, verb, activity, action, energy)
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APASmart Define. (2016). active thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/active/thesaurus/synonyms
ChicagoSmart Define. 2016. "active thesaurus" https://smartdefine.org/active/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, active thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/active/thesaurus/synonyms>.
MLASmart Define. "active thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/active/thesaurus/synonyms>