1
sharp-sightedness
1
sleepless(adjective, keen, anxious, alert, careful)
1
sly(adjective, considerate, cautious, prudent, suspicious)
1
spirited(adjective, sharp, bright, lively, alert)
1
suspicious(adjective, anxious, alert, awkward, nervous)
1
switched on(expression, adjective, sharp, bright, lively)
1
unsleeping(adjective, keen, anxious, alert, careful)
1
unwasteful(adjective, considerate, cautious, prudent, suspicious)
1
waiting on(expression, adjective, keen, alert, careful)
1
wakeful(adjective, keen, anxious, alert, careful)
1
watchful(adjective, keen, sharp, lively, alert)
1
wired(adjective, sharp, bright, lively, alert)
1
wise(adjective, sharp, bright, lively, alert)
1
with eyes peeled(expression, adjective, idiom, keen, anxious)
1
with it(expression, adjective, sharp, bright, lively)
1
with weather eye open(expression, adjective, idiom, keen, careful)
0
accommodating(considerate, responsive, helpful)
0
assiduous(considerate, responsive, helpful)
0
calculating(adjective, considerate, cautious, prudent, suspicious)
0
canny(adjective, considerate, cautious, prudent, suspicious)
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APASmart Define. (2011). on the qui vive thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/on_the_qui_vive/thesaurus/synonyms
ChicagoSmart Define. 2011. "on the qui vive thesaurus" https://smartdefine.org/on_the_qui_vive/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2011, on the qui vive thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/on_the_qui_vive/thesaurus/synonyms>.
MLASmart Define. "on the qui vive thesaurus" 24 May 2011. Web. 30 September 2026. <https://smartdefine.org/on_the_qui_vive/thesaurus/synonyms>