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

103 entries under cautious topic. ×

8
on the ball(expression, adjective, idiom, keen, sharp)
7
conscious(adjective, understanding, cool, keen, sharp)
7
intelligent(adjective, understanding, cool, sharp, smart)
6
wakeful(adjective, keen, alert, careful, restless)
5
concerned(adjective, kind, friendly, deliberate, alert)
5
considerate(adjective, kind, reasonable, friendly, sensible)
5
discreet(adjective, understanding, kind, keen, sharp)
5
solicitous(adjective, kind, deliberate, alert, careful)
4
assiduous(adjective, thoughtful, sober, considerate)
4
chary(adjective, reasonable, sensible, deliberate, restrained)
4
deliberate(adjective, cool, kind, friendly, alert)
4
judicious(adjective, understanding, cool, reasonable, keen)
4
on the watch(expression, adjective, idiom, adverb, attention)
4
ready(adjective, open, sharp, friendly, bright)
4
wide-awake(adjective, keen, sharp, bright, lively)
3
all ears(expression, adjective, sharp, bright, lively)
3
apprehensive(adjective, cool, sensible, deliberate, alert)
3
cagey(adjective, sharp, bright, lively, careful)
3
diplomatic(adjective, kind, reasonable, sensible, delicate)
3
fussy(adjective, thoughtful, sober, prudent)
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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>