86 entries under adjective topic. ×

18
watchful(alert, restless, feature, characteristic)
17
vigilant(sharp, care, alert, careful)
16
alert(keen, sharp, bright, careful)
13
awake(care, alert, careful, restless)
13
sleepless(keen, anxious, alert, careful)
11
observant(keen, alert, careful, restless)
10
open-eyed(keen, anxious, alert, careful)
10
wary(keen, alert, careful, restless)
9
attentive(keen, alert, careful, restless)
7
alive(alert, careful, restless, disturbed)
7
restless(disturbed, sleepless, insomniac)
7
unsleeping(keen, anxious, alert, careful)
7
waking(verb, alert, careful, restless)
7
wide-awake(keen, anxious, alert, careful)
6
argus-eyed
5
careful(keen, alert, restless, cautious)
5
cautious(keen, alert, careful, attentive)
5
insomniac(alert, restless)
5
on the alert(expression, idiom, care, alert)
5
sharp(keen, bright, anxious, alert)
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APASmart Define. (2015). wakeful thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/wakeful/thesaurus/synonyms
ChicagoSmart Define. 2015. "wakeful thesaurus" https://smartdefine.org/wakeful/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, wakeful thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/wakeful/thesaurus/synonyms>.
MLASmart Define. "wakeful thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/wakeful/thesaurus/synonyms>