Alert
Alert adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
Usage example: she needed to stay alert throughout the train ride so as not to miss her stop
Vigilant is a synonym for alert in attentive topic. In some cases you can use "Vigilant" instead the word "Alert" as an adjective or an adverb, when it comes to topics like aware, awareness, watchful. popular alternative
Vigilant
Vigilant adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
Usage example: the night watchman, who was usually vigilant, apparently dozed off and didn't notice the vandals sneaking in
Alert is a synonym for vigilant in behaviour topic. You can use "Alert" instead the word "Vigilant" as an adjective or an adverb or a noun, if it concerns topics such as aware, property, awareness, observant. popular alternative
Mutual synonyms
Cite this Source
Vigilant and Alert. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/alert/vigilant
Alert & Vigilant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/alert/vigilant>.
Vigilant or Alert. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/alert/vigilant.
Google Ngram Viewer shows how "alert" and "vigilant" have occurred on timeline