1. The conclusion of a story, film, book, or other narrative that provokes debate, disagreement, or strong reactions due to unexpected, unsatisfying, or morally ambiguous resolution
The movie had a controversial ending that left audiences divided.
O filme teve um final polêmico que dividiu o público.
2. An ending that challenges conventional expectations or social norms, generating public discourse and criticism
The novel's controversial ending sparked heated discussions on social media.
O final polêmico do romance gerou discussões acaloradas nas redes sociais.