Synonyms|477Antonyms|26|Broader|4Narrower|0Related|17

66 entries under careful topic. ×

2
circumspect(adjective, keen, sharp, bright, lively)
2
conscious(familiar, cautious, aware, informed)
2
knowing(adjective, smooth, keen, sharp, smart)
2
observing(adjective, knowledgeable, cautious, aware)
2
on the qui vive(expression, idiom, keen, sharp, bright)
2
regardful(adjective, alert, caring, thoughtful)
2
sleepless(keen, alert, attentive, watchful)
2
unsleeping(adjective, keen, alert, cautious)
1
alive to(expression, adjective, knowledgeable, cautious)
1
apprehensive(adjective, alert, cautious, aware)
1
au courant(expression, familiar, aware, attentive)
1
be up on(adjective, knowledgeable, cautious, aware)
1
cautious(adjective, keen, alert, aware)
1
chary(adjective, alert, cautious, aware)
1
cognizant(familiar, knowledgeable, aware, informed)
1
conscientious(adjective, caring, thoughtful, knowledgeable)
1
conversant(familiar, knowledgeable, aware, informed)
1
glued(adjective, alert, caring, thoughtful)
1
guarded(adjective, keen, alert, cautious)
1
hooked(adjective, alert, caring, thoughtful)
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APASmart Define. (2015). on the ball thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/on_the_ball/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the ball thesaurus" https://smartdefine.org/on_the_ball/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, on the ball thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/on_the_ball/thesaurus/synonyms>.
MLASmart Define. "on the ball thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/on_the_ball/thesaurus/synonyms>