unopened

adj. sin abrir, cerrado, no abierto

sin abrir

Ex: By sheet-books he meant what most bibliographers now call a chapbook, that is a small pamphlet containing popular matter which comprised no more than a single sheet, which was sold generally folded into pamphlet form, but unopened.

(adj.) = sin abrir
Ex: By sheet-books he meant what most bibliographers now call a chapbook, that is a small pamphlet containing popular matter which comprised no more than a single sheet, which was sold generally folded into pamphlet form, but unopened.