How to Say "unreleased" in Spanish
The Spanish word for “unreleased” is “inédito” — B1 level.

Examples
El museo exhibe un cuadro inédito de Picasso.
The museum is exhibiting an unpublished painting by Picasso.
Encontraron varios manuscritos inéditos en el sótano.
They found several unpublished manuscripts in the basement.
La banda lanzó un disco con canciones inéditas.
The band released an album with unreleased songs.
Matching the Noun
Since this is a describing word, you must change the ending to match what you are talking about: 'inédito' (masculine), 'inédita' (feminine), 'inéditos' (masculine plural), or 'inéditas' (feminine plural).
Word Order
Usually, you place this word after the person or thing you are describing, like 'un libro inédito' rather than 'un inédito libro'.
Using 'nuevo' instead
Mistake: “Es un libro nuevo de Cervantes.”
Correction: Es un libro inédito de Cervantes.
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.