Synonyms|62Antonyms|13|Broader|0Narrower|0Related|228
2
alert
1
argus-eyed
1
fly
1
heads-up
1
lidless
1
open-eyed
1
sleepless
1
vigilant
1
wakeful
1
wide-awake
0
conscious
0
heeding(adjective, thoughtless, wary, hot-headed)
0
watchful
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APASmart Define. (2015). unalert thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unalert/thesaurus/antonyms
ChicagoSmart Define. 2015. "unalert thesaurus" https://smartdefine.org/unalert/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unalert thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unalert/thesaurus/antonyms>.
MLASmart Define. "unalert thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unalert/thesaurus/antonyms>