138 entries under alert topic. ×

73
keen(adjective, feeling, understanding, strong, cool)
65
acute(adjective, feeling, understanding, strong, smooth)
46
intelligent(adjective, bright, smart, perceptive, keen)
43
clever(adjective, cool, sound, smooth, keen)
34
penetrating(adjective, understanding, strong, hard, cool)
31
quick(adjective, activity, feeling, understanding, cool)
27
perceptive(adjective, understanding, strong, open, cool)
24
wise(adjective, understanding, cool, sound, smooth)
23
bright(adjective, hard, light, cool, keen)
23
quick-witted(adjective, strong, cool, keen, ability)
21
observant(adjective, understanding, strong, cool, keen)
20
discerning(adjective, understanding, cool, sound, smooth)
17
sensitive(adjective, understanding, open, keen, sharp)
16
attentive(adjective, understanding, keen, bright, lively)
16
discriminating(adjective, correct, keen, obscure, smart)
15
brisk(adjective, cool, pleasant, severe, keen)
14
vigilant(adjective, understanding, cool, bright, lively)
13
knowing(adjective, understanding, sound, smooth, keen)
12
lively(adjective, feeling, strong, pleasant, keen)
11
active(adjective, activity, open, pleasant, keen)
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APASmart Define. (2016). sharp thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sharp/thesaurus/synonyms
ChicagoSmart Define. 2016. "sharp thesaurus" https://smartdefine.org/sharp/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sharp thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sharp/thesaurus/synonyms>.
MLASmart Define. "sharp thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/sharp/thesaurus/synonyms>