521 entries under adjective topic. ×

3
rapid(keen, sharp, intense, energetic)
3
savvy(understanding, keen, sharp, smart)
3
scrutinizing
3
unsleeping(keen, careful, restless, cautious)
3
up(conscious, wide-awake, wakeful)
3
with it(expression, understanding, keen, sharp)
2
acquainted(understanding, keen, sensible, certain)
2
agog(strong, keen, intense, enthusiastic)
2
appreciative(familiar, wise, knowledgeable, responsive)
2
apprehensive(deliberate, excited, ready, anxious)
2
apprised(understanding, keen, sensible, certain)
2
au courant(expression, understanding, keen, sensible)
2
au fait(expression, familiar, skilled, competent)
2
avid(strong, intense, energetic, enthusiastic)
2
bold(keen, sharp, smart, bright)
2
breathless(strong, intense, enthusiastic, powerful)
2
busy(moving, keen, intense, energetic)
2
cheerful(keen, bright, happy, energetic)
2
clear(good, pleasant, keen, bright)
2
conversant(understanding, keen, sensible, certain)
10 years ago|34k views|share |citing 
APASmart Define. (2016). alert thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alert/thesaurus/synonyms
ChicagoSmart Define. 2016. "alert thesaurus" https://smartdefine.org/alert/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, alert thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alert/thesaurus/synonyms>.
MLASmart Define. "alert thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/alert/thesaurus/synonyms>