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

69 entries under thoughtful topic. ×

46
alert(adjective, feature, characteristic, understanding, keen)
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, alert, careful)
24
heedful(adjective, feature, characteristic, sharp, bright)
22
prudent(adjective, action, sensible, restrained, thought)
21
circumspect(adjective, complete, sharp, bright, total)
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
mindful(adjective, understanding, keen, sensible, certain)
11
awake(adjective, understanding, cool, reasonable, keen)
10
chary(adjective, reasonable, sensible, deliberate, restrained)
10
on the ball(expression, adjective, idiom, sharp, bright)
8
provident(adjective, sensible, careful, sober)
7
protective(adjective, careful, sober, attentive)
6
conscientious(adjective, deliberate, alert, careful, caring)
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APASmart Define. (2015). vigilant thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vigilant/thesaurus/synonyms
ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>