52 entries under suspicious topic. ×
| leery(adjective, cautious, watchful) | |
| on the job(expression, adjective, idiom, keen, sharp) | |
| on the qui vive(expression, adjective, idiom, keen, sharp) | |
| ready(adjective, set, sharp, bright, lively) | |
| wide-awake(adjective, keen, sharp, bright, lively) | |
| cagey(adjective, sharp, bright, lively, alert) | |
| glued(adjective, alert, careful, cautious, attentive) | |
| hooked(adjective, alert, careful, cautious, attentive) | |
| keen(adjective, anxious, alert, careful, cautious) | |
| not missing a trick(expression, adjective, idiom, alert, careful) | |
| prepared(adjective, set, ready, alert, careful) | |
| see after(expression, adjective, alert, careful, cautious) | |
| see to(expression, adjective, alert, careful, cautious) | |
| unsleeping(adjective, keen, anxious, alert, careful) | |
| wakeful(adjective, keen, anxious, alert, careful) | |
| with eyes peeled(expression, adjective, idiom, keen, anxious) | |
| calculating(cautious, watchful) | |
| considerate(cautious, watchful) | |
| distrustful(cautious, watchful) | |
| doubting(cautious, watchful) |
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| APA | Smart Define. (2015). on guard thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on_guard/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "on guard thesaurus" https://smartdefine.org/on_guard/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, on guard thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_guard/thesaurus/synonyms>. |
| MLA | Smart Define. "on guard thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/on_guard/thesaurus/synonyms> |