- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
314 entries under adjective topic. ×
| understanding(noun, sharp, smart, alert) | |
| absorbed(attention, attentive) | |
| assiduous(thoughtful, sober, considerate, cautious) | |
| chary(reasonable, sensible, deliberate, restrained) | |
| cognizant(understanding, cool, sensible, significant) | |
| compliant(submissive, docile, deferential, dutiful) | |
| contemplating(alert, attentive, watchful, circumspect) | |
| deliberate(cool, kind, friendly, alert) | |
| judicious(understanding, cool, reasonable, keen) | |
| law-abiding(attentive, compliant, submissive, docile) | |
| on the watch(expression, idiom, adverb, attention) | |
| ready(open, sharp, friendly, bright) | |
| respectful(careful, considerate, aware, attentive) | |
| wide-awake(keen, sharp, bright, lively) | |
| Argus-eyed | |
| agog(strong, keen, intense, powerful) | |
| all ears(expression, sharp, bright, lively) | |
| apprehensive(cool, sensible, deliberate, alert) | |
| cagey(sharp, bright, lively, careful) | |
| clever(cool, sharp, bright, lively) |
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| APA | Smart Define. (2016). observant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/observant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "observant thesaurus" https://smartdefine.org/observant/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, observant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/observant/thesaurus/synonyms>. |
| MLA | Smart Define. "observant thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/observant/thesaurus/synonyms> |