Synonyms|572Antonyms|111|Broader|6Narrower|1Related|510

136 entries under alert topic. ×

45
watchful(adjective, feature, characteristic, understanding, cool)
36
attentive(adjective, feature, characteristic, understanding, keen)
30
observant(adjective, feature, characteristic, understanding, cool)
28
wary(adjective, sharp, bright, sensible, deliberate)
26
cautious(adjective, sensible, restrained, careful)
24
heedful(adjective, feature, characteristic, sharp, bright)
21
circumspect(adjective, complete, sharp, bright, total)
20
open-eyed(adjective, feature, characteristic, sharp, bright)
19
careful(adjective, sharp, bright, sensible, excited)
17
guarded(adjective, adverb, care, sensible, deliberate)
16
regardful(adjective, feature, characteristic, detail, deliberate)
15
aware(adjective, feature, characteristic, understanding, cool)
14
wakeful(adjective, sharp, care, careful)
14
mindful(adjective, understanding, keen, sensible, certain)
13
on guard(expression, adjective, idiom, adverb, sharp)
12
sharp(adjective, understanding, cool, bright, lively)
11
awake(adjective, understanding, cool, reasonable, keen)
10
chary(adjective, reasonable, sensible, deliberate, restrained)
10
on the ball(expression, adjective, idiom, sharp, bright)
10
wide-awake(adjective, sharp, bright, lively)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>