56 entries under attentive topic. ×

2
on the qui vive(expression, adjective, idiom, keen, sharp)
2
ready(adjective, set, sharp, bright, lively)
2
sleepless(keen, anxious, alert, careful, disturbed)
2
wide-awake(adjective, keen, sharp, bright, lively)
2
wired(adjective, set, sharp, bright, lively)
1
active(sharp, bright, lively, alert, aware)
1
acute(keen, anxious, alert, careful)
1
agog(keen, anxious, alert, careful)
1
anxious(keen, alert, careful, watchful)
1
bright(sharp, lively, alert, aware)
1
cagey(adjective, sharp, bright, lively, alert)
1
fast on the draw(expression, idiom, sharp, bright, lively)
1
glued(adjective, alert, careful, cautious)
1
good hands(expression, sharp, bright, lively, alert)
1
heads up(expression, sharp, bright, lively, alert)
1
hip(sharp, bright, lively, alert)
1
hooked(adjective, alert, careful, cautious)
1
jazzed(sharp, bright, lively, alert)
1
keen(adjective, anxious, alert, careful, cautious)
1
lively(sharp, bright, alert, aware)
11 years ago|2.2k views|share |citing 
APASmart Define. (2015). on guard thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/on_guard/thesaurus/synonyms
ChicagoSmart Define. 2015. "on guard thesaurus" https://smartdefine.org/on_guard/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, on guard thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/on_guard/thesaurus/synonyms>.
MLASmart Define. "on guard thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/on_guard/thesaurus/synonyms>