47
alert(adjective, feature, characteristic, understanding, keen)
39
vigilant(adjective, feature, characteristic, understanding, cool)
39
careful(adjective, upset, keen, sharp, smart)
36
observant(adjective, feature, characteristic, understanding, cool)
33
cautious(adjective, adverb, keen, smart, sensible)
32
attentive(adjective, feature, characteristic, understanding, keen)
32
heedful(adjective, feature, characteristic, sharp, detail)
30
wary(adjective, keen, sharp, smart, bright)
26
circumspect(adjective, sharp, lively, careful, practical)
24
prudent(adjective, restrained, careful, practical, cautious)
20
mindful(adjective, understanding, keen, sensible, certain)
19
guarded(adjective, keen, care, restrained, alert)
18
open-eyed(adjective, feature, characteristic, keen, sharp)
18
regardful(adjective, feature, characteristic, detail, attention)
16
wakeful(adjective, keen, sharp, bright, care)
15
aware(adjective, feature, characteristic, understanding, cool)
15
overprotective(adjective, care, attention, alert, careful)
14
on guard(expression, adjective, idiom, adverb, sharp)
13
awake(adjective, understanding, cool, reasonable, keen)
12
chary(adjective, close, mean, sensible, spare)
<1234510>
10 years ago|14k views|share |citing 
APASmart Define. (2016). watchful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/watchful/thesaurus/synonyms
ChicagoSmart Define. 2016. "watchful thesaurus" https://smartdefine.org/watchful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, watchful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/watchful/thesaurus/synonyms>.
MLASmart Define. "watchful thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/watchful/thesaurus/synonyms>