twist
n. countablen. a sudden change in a story that you did not expect. It can also mean a slight change to a traditional idea or recipe to make it more interesting.
n. an unexpected development in a narrative sequence or a creative variation on a standard theme. Often used to describe a plot device that subverts the audience's expectations.
The movie has a huge twist at the very end.
The chef serves a modern twist on the classic apple pie by adding salted caramel and rosemary.
While the protagonist's identity remains hidden for most of the novel, the final twist forces the reader to re-evaluate every previous interaction through a completely different lens.
PIE word *dwóh₁ From Middle English twist, from Old English twist, in compounds (e.g. mæsttwist (“a rope; stay”), candeltwist (“a wick”)), from Proto-Germanic twistaz, a derivative of *twi- (“two-”) (compare also twine, between, betwixt). Related to Saterland Frisian Twist (“discord”), Dutch twist (“twist; strife; discord”), German Low German Twist (“strife; discord”), German Zwist (“turmoil; strife; discord”), Swedish tvist (“quarrel; dispute”), Icelandic tvistur (“deuce”). The verb is from Middle English twisten. Compare Dutch twisten, Danish tviste (“to dispute”), Swedish tvista (“to argue; dispute”).
Commonly used with the preposition 'on' when describing a variation of an existing idea.