tragedy
Since Aristotle first defined the genre in The Poetics (4th century BCE), literary critics have debated what constitutes tragedy. ... " On the intellectual side, he viewed tragedy as a way for the audience to gain a greater understanding of the universe and its forces. ... Today, the term "tragedy" no longer refers specifically and principally to a literary genre, but covers every manner of human or worldly event that ends with a terrible or catastrophic outcome or unhappy consequences. Some would say that the term has become ubiquitous; anything really bad that happens is a tragedy.