104 entries under careful topic. ×

68
watchful(adjective, feature, characteristic, understanding, keen)
49
attentive(adjective, feature, characteristic, understanding, keen)
45
vigilant(adjective, activity, feature, characteristic, understanding)
37
heedful(adjective, feature, characteristic, care, sensible)
35
intelligent(adjective, smart, attentive, sharp, bright)
33
observant(adjective, feature, characteristic, understanding, strong)
29
sharp(adjective, activity, understanding, strong, open)
29
keen(adjective, good, clear, understanding, strong)
28
wary(adjective, keen, sensible, deliberate, lively)
27
cautious(adjective, adverb, keen, care, sensible)
25
aware(adjective, feature, characteristic, understanding, open)
23
awake(verb, adjective, activity, understanding, open)
20
circumspect(adjective, keen, sensible, deliberate, lively)
19
regardful(adjective, feature, characteristic, detail, attention)
17
mindful(adjective, understanding, keen, sensible, certain)
15
open-eyed(adjective, feature, characteristic, keen, sharp)
15
ready(adjective, activity, open, keen, sharp)
14
on the lookout(expression, adjective, idiom, care, lively)
13
prudent(adjective, care, thoughtful, sober)
13
wakeful(adjective, keen, sharp, care)
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APASmart Define. (2016). alert thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/alert/thesaurus/synonyms
ChicagoSmart Define. 2016. "alert thesaurus" https://smartdefine.org/alert/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, alert thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/alert/thesaurus/synonyms>.
MLASmart Define. "alert thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/alert/thesaurus/synonyms>