| clued-in(alert, aware) | |
| clued up(expression, alert, aware, clued-in) | |
| cognizant(conscious, wide-awake, wakeful) | |
| conscious alert(expression, conscious, wide-awake, wakeful) | |
| conservational(adjective, defensive, overprotective, preservative) | |
| considerate(cautious, suspicious, watchful) | |
| cool | |
| crouching | |
| defending(adjective, defensive) | |
| distrustful(cautious, suspicious, watchful) | |
| doubting(cautious, suspicious, watchful) | |
| equipped(set, ready, organized) | |
| expectant(adjective, defensive) | |
| feeling wary | |
| frugal(cautious, suspicious, watchful) | |
| fully awake | |
| geared up(expression, set, ready, organized) | |
| guard | |
| guarding(adjective, defensive) | |
| handling with kid gloves(expression, idiom, cautious, suspicious, watchful) |
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Power Thesaurus
| APA | Smart Define. (2015). on guard thesaurus. Retrieved September 27, 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 27, 2026). |
| Harvard | Smart Define 2015, on guard thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/on_guard/thesaurus/synonyms>. |
| MLA | Smart Define. "on guard thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/on_guard/thesaurus/synonyms> |