What is thriller?

Thriller is a genre of literature, film, and television that involves suspense, excitement, and a high level of intrigue. A thriller typically features a protagonist who is in danger or faced with a challenging situation. The genre originated in the late 19th and early 20th centuries, but it has grown in popularity over the decades, with various sub-genres emerging such as psychological thrillers, courtroom thrillers, and action thrillers. Thrillers often contain elements of mystery and crime, with a focus on tense plot twists and unexpected outcomes. They typically leave readers and viewers on edge, eager to find out what happens next. Some popular examples of thriller novels and movies include Alfred Hitchcock's Psycho, The Silence of the Lambs, and Gone Girl.