mettle
/ˈmɛtəl/
noun
- The ability to stay brave and determined in a difficult situation; courage and strength of character.
- The young firefighter showed her true mettle when she ran into the burning building.
- It takes a lot of mettle to stand up for what you believe in when everyone disagrees with you.
- The team's mettle was tested during the final minutes of the championship game.
Antonyms