Synonyms|139Antonyms|1|Broader|0Narrower|0Related|22

31 entries under cautious topic. ×

8
vigilant(adjective, alert, careful, disturbed)
8
wakeful(adjective, keen, anxious, alert, careful)
7
wide-awake(adjective, keen, anxious, alert, careful)
6
alert(adjective, keen, careful, restless)
5
attentive(adjective, keen, alert, careful)
3
observant(adjective, keen, alert, careful)
3
open-eyed(adjective, keen, anxious, alert, careful)
3
wary(adjective, keen, alert, careful)
2
careful(adjective, keen, alert, attentive)
2
keen(adjective, anxious, alert, careful)
2
on the ball(expression, adjective, idiom, keen, alert)
2
on the job(expression, adjective, idiom, keen, anxious)
2
ready(adjective, alert, careful, attentive)
1
acute(keen, anxious, alert, careful)
1
agog(keen, anxious, alert, careful)
1
all ears(expression, adjective, alert, careful)
1
chary(adjective, alert, careful, attentive)
1
circumspect(adjective, keen, alert, careful)
1
glued(adjective, alert, careful, attentive)
1
guarded(adjective, keen, anxious, alert, careful)
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ChicagoSmart Define. 2015. "unsleeping thesaurus" https://smartdefine.org/unsleeping/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unsleeping thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsleeping/thesaurus/synonyms>.
MLASmart Define. "unsleeping thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unsleeping/thesaurus/synonyms>