Alert
Alert adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
Smart as a tack and alert are semantically related In some cases you can use "Smart as a tack" instead an adjective "Alert".
Smart as a tack
Alert and smart as a tack are semantically related in perceptive topic. Sometimes you can use "Alert" instead an adjective phrase "Smart as a tack".
Mutual synonyms
Related pairs
Cite this Source
Smart as a tack and Alert. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/alert/smart_as_a_tack
Alert & Smart as a tack. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/alert/smart_as_a_tack>.
Smart as a tack or Alert. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/alert/smart_as_a_tack.