show one's mettle

idiom

Definition of show one's mettle

: to show how tough one is He showed his mettle as a fighter tonight.

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Dictionary Entries Near show one's mettle

show one's face

show one's mettle

show one's stuff

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“Show one's mettle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/show%20one%27s%20mettle. Accessed 21 Oct. 2021.

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