Alert
Alert adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
On your mettle and alert are semantically related. In some cases you can use "On your mettle" instead an adverb "Alert".
On your mettle
Alert and on your mettle are semantically related. You can use "Alert" instead an adverb phrase "On your mettle".
Mutual synonyms
Cite this Source
On your mettle and Alert. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/alert/on_your_mettle
Alert & On your mettle. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/alert/on_your_mettle>.
On your mettle or Alert. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/alert/on_your_mettle.