100 entries under observant topic. ×
| watchful(adjective, feature, characteristic, understanding, keen) | |
| attentive(adjective, feature, characteristic, understanding, keen) | |
| vigilant(adjective, activity, feature, characteristic, understanding) | |
| heedful(adjective, feature, characteristic, care, sensible) | |
| sharp(adjective, activity, understanding, strong, open) | |
| keen(adjective, good, clear, understanding, strong) | |
| quick(adjective, activity, understanding, pleasant, keen) | |
| wary(adjective, keen, sensible, deliberate, lively) | |
| cautious(adjective, adverb, keen, care, sensible) | |
| aware(adjective, feature, characteristic, understanding, open) | |
| careful(adjective, keen, sensible, excited, lively) | |
| awake(verb, adjective, activity, understanding, open) | |
| circumspect(adjective, keen, sensible, deliberate, lively) | |
| mindful(adjective, understanding, keen, sensible, certain) | |
| perceptive(adjective, understanding, strong, open, keen) | |
| open-eyed(adjective, feature, characteristic, keen, sharp) | |
| ready(adjective, activity, open, keen, sharp) | |
| astute(adjective, understanding, keen, sharp, smart) | |
| intent(adjective, feature, characteristic, strong, intense) | |
| wakeful(adjective, keen, sharp, care, careful) |
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| APA | Smart Define. (2016). alert thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alert/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "alert thesaurus" https://smartdefine.org/alert/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, alert thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alert/thesaurus/synonyms>. |
| MLA | Smart Define. "alert thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/alert/thesaurus/synonyms> |