How do you understand the word "great tragedy"

How do you understand the word "great tragedy"


I think this should be understood in two parts
They are "great" because of their lofty character and their spirit of exploring and seeking knowledge
"Tragedy" is because they: all lost, personally experienced the failure of death competition



What does the word "great" contain in the great tragedy?


The greatness of personality
For others to prove the greatness of character
The greatness of courage and perseverance