46 entries under careful topic. ×
| ready(adjective, set, sharp, bright, lively) | |
| sleepless(keen, anxious, alert, disturbed) | |
| wide-awake(adjective, keen, sharp, bright, lively) | |
| acute(keen, anxious, alert, attentive) | |
| agog(keen, anxious, alert, attentive) | |
| alive(adjective, restless, disturbed, conscious) | |
| anxious(keen, alert, attentive, watchful) | |
| glued(adjective, alert, cautious, attentive) | |
| hooked(adjective, alert, cautious, attentive) | |
| keen(adjective, anxious, alert, cautious) | |
| looking for(expression, keen, anxious, alert) | |
| looking to(expression, keen, anxious, alert) | |
| not missing a trick(expression, adjective, idiom, alert) | |
| on alert(expression, keen, anxious, alert) | |
| on toes(expression, adjective, keen, anxious, alert) | |
| prepared(adjective, set, ready, alert) | |
| see after(expression, adjective, alert, cautious) | |
| see to(expression, adjective, alert, cautious) | |
| sharp(adjective, keen, bright, lively, alert) | |
| suspicious(adjective, alert, considerate, cautious) |
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| APA | Smart Define. (2015). on guard thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/on_guard/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "on guard thesaurus" https://smartdefine.org/on_guard/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, on guard thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/on_guard/thesaurus/synonyms>. |
| MLA | Smart Define. "on guard thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/on_guard/thesaurus/synonyms> |