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the qualities or actions of a hero, especially courage, noble acts, or self-sacrifice in the face of danger or adversity
- The firefighter's heroism saved dozens of people from the burning building.
- His act of heroism during the crisis made headlines around the world.
- Heroism is often shown through selfless acts that benefit others.
- The team’s heroism in the face of overwhelming odds led them to victory.
- They celebrated his heroism after he risked his life to help during the earthquake.