- Definitions|2
- Thesaurus|830
- Abbreviations|0
331 entries under noun topic. ×
| vigilance(trouble, regard, concern, care) | |
| care(activity, trouble, regard, concern) | |
| caution(trouble, regard, concern, care) | |
| attention(activity, study, understanding, knowledge) | |
| watchfulness(trouble, cool, regard, concern) | |
| prudence(trouble, regard, concern, care) | |
| agility(activity, movement, force, understanding) | |
| wariness(trouble, regard, concern, care) | |
| concern(trouble, regard, care, attention) | |
| circumspection(trouble, regard, concern, care) | |
| heed(activity, trouble, regard, concern) | |
| heedfulness(activity, trouble, regard, concern) | |
| alacrity(activity, movement, force, plan) | |
| diligence(activity, trouble, regard, concern) | |
| quickness(activity, understanding, power, cool) | |
| attentiveness(activity, understanding, knowledge, care) | |
| intelligence(understanding, ability, mind, understand) | |
| mindfulness(trouble, understanding, regard, concern) | |
| notice(attention, guard, awareness, realization) | |
| observation(attention, guard, lookout, sentry) |
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| APA | Smart Define. (2015). alertness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/alertness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "alertness thesaurus" https://smartdefine.org/alertness/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, alertness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/alertness/thesaurus/synonyms>. |
| MLA | Smart Define. "alertness thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/alertness/thesaurus/synonyms> |