50 entries under alert topic. ×

2
on the watch(expression, adjective, idiom, adverb)
2
open-eyed(adjective, keen, anxious, careful)
2
prepared(adjective, careful, cautious, attentive)
2
sharp(adjective, keen, anxious, careful)
2
sleepless(keen, anxious, careful, cautious)
2
wakeful(adjective, keen, care, anxious)
1
acute(keen, anxious, careful, cautious)
1
agog(keen, anxious, careful, cautious)
1
anxious(keen, careful, attentive, watchful)
1
glued(adjective, careful, cautious, attentive)
1
hooked(adjective, careful, cautious, attentive)
1
keen(adjective, anxious, careful, cautious)
1
looking for(expression, keen, anxious, careful)
1
looking to(expression, keen, anxious, careful)
1
not missing a trick(expression, adjective, idiom, careful)
1
on alert(expression, keen, anxious, careful)
1
on the ball(expression, adjective, idiom, keen)
1
on the job(expression, adjective, idiom, keen, anxious)
1
on the qui vive(expression, adjective, idiom, keen, anxious)
1
on toes(expression, adverb, keen, careful)
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APASmart Define. (2015). guarded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/guarded/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarded thesaurus" https://smartdefine.org/guarded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, guarded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/guarded/thesaurus/synonyms>.
MLASmart Define. "guarded thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/guarded/thesaurus/synonyms>