105 entries under alert topic. ×

5
active(adjective, good, clear, moving, sharp)
5
understanding(adjective, smart, familiar, intelligent)
5
zippy(adjective, moving, pleasure, pleasant, happy)
4
aware(adjective, cool, smart, happy, lively)
4
observant(adjective, open, cool, sharp, friendly)
4
snappy(adjective, moving, pleasant, happy, energetic)
3
chirpy(adjective, moving, pleasant, happy, energetic)
3
effervescent(adjective, pleasant, happy, energetic, enthusiastic)
3
in high spirits(expression, adjective, idiom, pleasant, happy)
3
penetrating(keen, sharp, smart, intelligent)
3
sensitive(adjective, open, sharp, friendly, sympathetic)
2
attentive(sharp, lively, intelligent, aware)
2
clear-sighted(adjective, sharp, sensitive, intelligent)
2
comprehending(adjective, smart, intelligent, perceptive)
2
discriminating(adjective, sharp, sensitive, intelligent)
2
enthusiastic(adjective, good, moving, pleasant, happy)
2
on the job(expression, idiom, sharp, lively)
2
vigilant(adjective, cool, sharp, lively)
2
watchful(adjective, cool, sharp, lively)
1
advertent(intelligent, perceptive, attentive, watchful)
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APASmart Define. (2016). bright thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/bright/thesaurus/synonyms
ChicagoSmart Define. 2016. "bright thesaurus" https://smartdefine.org/bright/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, bright thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/bright/thesaurus/synonyms>.
MLASmart Define. "bright thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/bright/thesaurus/synonyms>