Synonyms|648Antonyms|154|Broader|16Narrower|18Related|740

63 entries under intelligent topic. ×

41
watchful(adjective, feature, characteristic, understanding, cool)
40
alert(adjective, feature, characteristic, understanding, strong)
29
vigilant(adjective, feature, characteristic, understanding, cool)
22
perceptive(adjective, person, understanding, strong, open)
20
aware(adjective, feature, characteristic, understanding, cool)
19
sharp(adjective, understanding, strong, cool, keen)
11
awake(adjective, understanding, cool, reasonable, keen)
11
quick(adjective, understanding, cool, keen, sharp)
10
discerning(adjective, understanding, cool, reasonable, keen)
8
astute(adjective, understanding, cool, kind, keen)
8
on the ball(expression, adjective, idiom, keen, sharp)
7
conscious(adjective, understanding, cool, keen, sharp)
7
penetrating(adjective, understanding, strong, sharp, smart)
6
sensitive(adjective, understanding, open, kind, keen)
5
alive(adjective, cool, sensible, alert, significant)
5
bright(adjective, open, cool, sharp, friendly)
4
cognizant(adjective, understanding, cool, sensible, significant)
4
deliberate(adjective, cool, kind, friendly, alert)
4
judicious(adjective, understanding, cool, reasonable, keen)
4
ready(adjective, open, sharp, friendly, bright)
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APASmart Define. (2016). observant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/observant/thesaurus/synonyms
ChicagoSmart Define. 2016. "observant thesaurus" https://smartdefine.org/observant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, observant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/observant/thesaurus/synonyms>.
MLASmart Define. "observant thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/observant/thesaurus/synonyms>