Synonyms|699Antonyms|128|Broader|9Narrower|12Related|907

151 entries under alert topic. ×

8
sharp(adjective, understanding, cool, keen, bright)
8
sleepless(adjective, keen, careful, restless)
8
solicitous(adjective, upset, excited, anxious)
8
thoughtful(adjective, reasonable, sensible, careful)
7
conscious(adjective, understanding, cool, keen, sensible)
7
meticulous(adjective, careful, attentive, prudent)
7
on the ball(expression, adjective, idiom, keen, sharp)
7
sharp-eyed(adjective, intelligent, attentive, vigilant)
6
alive(adjective, cool, significant, animate)
6
anxious(adjective, upset, keen, excited, ready)
6
concerned(adjective, upset, excited, anxious)
6
eagle-eyed(adjective, intelligent, attentive, sharp-eyed)
6
judicious(adjective, understanding, cool, reasonable, smart)
6
keen(adjective, understanding, sensible, certain)
6
on the alert(expression, adjective, idiom, care)
6
prepared(adjective, eager, aware, attentive)
6
preventive(adjective, careful, attentive, opposing)
6
scrupulous(adjective, careful, attentive, prudent)
6
suspicious(adjective, restrained, shy, hesitant)
5
defensive(adjective, careful, caring, attentive)
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APASmart Define. (2016). watchful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/watchful/thesaurus/synonyms
ChicagoSmart Define. 2016. "watchful thesaurus" https://smartdefine.org/watchful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, watchful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/watchful/thesaurus/synonyms>.
MLASmart Define. "watchful thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/watchful/thesaurus/synonyms>