Sharp
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
Sharp is a synonym for vigilant in behaviour topic. Sometimes you can use "Sharp" instead an adjective "Vigilant", if it concerns topics such as alert, careful.
Mutual synonyms
Cite this Source
Vigilant and Sharp. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/sharp/vigilant
Sharp & Vigilant. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/sharp/vigilant>.
Vigilant or Sharp. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/sharp/vigilant.
Google Ngram Viewer shows how "sharp" and "vigilant" have occurred on timeline