peripetia

Definitions of peripetia
1

n a sudden and unexpected change of fortune or reverse of circumstances (especially in a literary work)

Synonyms:
peripeteia, peripety
Type of:
surprise
a sudden unexpected event

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.