mettle

[met-l] / ˈmɛt l /

NOUN

boldness, strength of character

Synonyms

STRONGEST

bravery caliber courage fortitude grit spunk stamina temperament

STRONG

animation ardor arete backbone daring dauntlessness disposition energy fire force gallantry gameness guts hardihood heart indomitability kidney life makeup moxie nature nerve pluck quality resolution resolve spirit stamp starch temper valor vigor vitality

Antonyms

STRONGEST

cowardice timidity weakness

STRONG

apathy dullness fear idleness inactivity indecision lethargy powerlessness question

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are strange choices, plateaus and unnecessary dramas, but now there is a mettle.

From The Wall Street Journal • Apr. 13, 2026

While that may be unfashionable in today’s world of prediction markets, cryptocurrencies, and highflying artificial-intelligence bets, Vanguard Wellington has long proven its mettle and is likely to keep doing so.

From Barron's • Apr. 3, 2026

Turner said Darnold showed his mettle by directing the game-winning drive against the Rams the last time they visited Lumen Field.

From Los Angeles Times • Jan. 22, 2026

Calum: Another massive statement from Hearts, answering any lingering questions from critics about their mettle and strength of mentality.

From BBC • Jan. 14, 2026

“I want more mettle, if you please, lady. Whatever anyone tells me to do, I do, whether I want to or not. I’ve always been this way, but I wish I weren’t.”

From "Ella Enchanted" by Gail Carson Levine

Vocabulary lists containing mettle

The Vocabulary.com Top 1000

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The Tragedy of Macbeth

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Unit 3: Compelling Evidence

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