On your mettle
On guard and on your mettle are semantically related. In some cases you can use "On guard" instead an adverb phrase "On your mettle".
On guard
On your mettle and on guard are semantically related. You can use "On your mettle" instead an adverb phrase "On guard".
Mutual synonyms
Cite this Source
On guard and On your mettle. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/on_your_mettle/on_guard
On your mettle & On guard. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/on_your_mettle/on_guard>.
On guard or On your mettle. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/on_your_mettle/on_guard.
