mettle

IPA/ˈmetl/
KK[mˈɛtəl]IPA/ˈmetl/

mettle — noun

1. a person's inner strength and courage that is shown when they face a difficult c

1.nounC1
Definition

a person's inner strength and courage that is shown when they face a difficult challenge or pressure

Example

Mira proved her mettle by finishing the marathon despite a painful ankle injury.

prove one's mettle — demonstrate ability under challenge

A true test of a leader's mettle is how they react when plans fall apart.

test of mettle — challenge that reveals character

Common collocations
  • test one's mettle
  • prove one's mettle
  • show one's mettle
  • a test of mettle
  • mettle under pressure
  • of true mettle
Synonyms
  • courage

    focuses on bravery when facing fear; mettle adds the sense of resilience and staying power

  • determination

    emphasises firmness of purpose; mettle carries a stronger connotation of tested character

  • resilience

    highlights the ability to recover from setbacks; overlaps with mettle in challenging situations

  • fortitude

    more formal, suggesting patient endurance of hardship; mettle is slightly less literary

Antonyms
  • cowardice

    lack of courage, the opposite of the bravery implied by mettle

  • weakness

    lack of inner strength or determination

Grammar Patterns

test/prove/show + one's + mettle

a test of mettle

Usage Note

Mettle is an uncountable noun and appears most often in fixed phrases such as 'test your mettle', 'prove your mettle', and 'show your mettle'. These expressions describe situations where a challenge reveals someone's true character and inner strength.

Common Mistakes

He proved his metal in the competition.
He proved his mettle in the competition.
'metal' is a hard, shiny material such as iron or gold; 'mettle' means courage and determination.

Word family

Synonym discussion

Sense: noun/1

While all four words describe positive inner qualities, 'mettle' uniquely combines courage, determination, and resilience under testing conditions. 'Courage' focuses on the ability to face fear or danger, while 'determination' emphasises firmness of purpose and refusal to give up. 'Resilience' highlights the capacity to recover quickly from setbacks, and 'fortitude' is a more formal term for patient endurance of hardship. 'Mettle' is the most situation-specific of the group — it is typically used when someone has been 'put to the test' or has had their character revealed by a challenge. For example, a soldier who holds the line under fire shows 'courage', but a team that loses its star player yet still wins the match shows 'mettle'. A student who keeps studying after failing an exam shows 'determination'; a student who bounces back after failing several exams shows 'resilience'; a student who endures years of difficulty to graduate shows both 'fortitude' and 'mettle'.

courage ↗determination ↗resilience ↗fortitude ↗

Common collocations

Phrases

  • test of mettle
  • a person of mettle
  • mettle under fire

Prepositions

Etymology

Old FrenchLatinGreekEnglish

Originally the same word as 'metal'. In the 16th century, 'mettle' was a spelling variant of 'metal' used when referring figuratively to the quality or character of a person — just as the quality of a sword depends on the metal from which it is made. Over time the spellings split: 'metal' kept the literal meaning (iron, gold, steel), while 'mettle' took on the figurative sense of courage and inner strength.

First known use

1581

1581, in the meaning defined at sense 1a