51 entries under expression topic. ×
| looking to(keen, anxious, alert, careful) | |
| not missing a trick(adjective, idiom, alert, careful) | |
| of a mind(idiom, set, ready, qualified) | |
| on alert(keen, anxious, alert, careful) | |
| on the defensive | |
| on toes(adjective, keen, anxious, alert) | |
| overlooking no possibility | |
| psyched up(sharp, bright, lively, qualified) | |
| put up(adjective, set, ready, qualified) | |
| see after(adjective, alert, careful, cautious) | |
| see to(adjective, alert, careful, cautious) | |
| slow to act | |
| switched on(sharp, bright, lively, alert) | |
| up and about(adjective, idiom, conscious, wide-awake) | |
| up on(adjective, set, ready, qualified) | |
| waiting on(keen, anxious, alert, careful) | |
| with eyes peeled(adjective, idiom, keen, anxious) | |
| with it(sharp, bright, lively, alert) | |
| with open eyes | |
| with weather eye open(idiom, keen, alert, careful) |
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| APA | Smart Define. (2015). on guard thesaurus. Retrieved September 25, 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 25, 2026). |
| Harvard | Smart Define 2015, on guard thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/on_guard/thesaurus/synonyms>. |
| MLA | Smart Define. "on guard thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/on_guard/thesaurus/synonyms> |