1. An ending to a narrative work (book, film, series) in which the main plot or conflict is left incomplete or ambiguous, without a clear resolution or conclusion
The movie had an unresolved ending that left audiences debating what actually happened to the protagonist.
O filme tinha um final em aberto que deixou o público debatendo o que realmente aconteceu com o protagonista.
2. A conclusion that deliberately leaves questions unanswered or situations unfinished
The novel's unresolved ending frustrated some readers who wanted closure.
O final em aberto do romance frustrou alguns leitores que queriam uma conclusão.