15 entries under disturbed topic. ×

5
watchful(adjective, alert, careful, aware)
4
attentive(adjective, alert, careful, restless)
4
vigilant(adjective, alert, careful, aware)
4
wakeful(adjective, alert, careful, restless)
3
alert(restless, aware, attentive, wary)
2
observant(adjective, alert, careful, restless)
2
on guard(expression, adjective, alert, careful, restless)
2
on the lookout(adjective, alert, careful, aware)
2
sleepless(alert, careful, restless, attentive)
2
wary(adjective, alert, careful, restless)
2
wide-awake(alert, careful, restless, attentive)
1
careful(adjective, alert, restless, attentive)
1
heedful(adjective, alert, careful, restless)
1
on the qui vive(expression, idiom, alert, careful)
1
unsleeping(adjective, alert, careful, restless)
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APASmart Define. (2015). on the alert thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/on_the_alert/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the alert thesaurus" https://smartdefine.org/on_the_alert/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, on the alert thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/on_the_alert/thesaurus/synonyms>.
MLASmart Define. "on the alert thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/on_the_alert/thesaurus/synonyms>