Usages of ungeöffnet
Die schwere Truhe blieb viele Jahre ungeöffnet.
The heavy chest remained unopened for many years.
Die Kiste blieb ungeöffnet, weil der Schlüssel fehlte.
The box remained unopened because the key was missing.
Elon.io is an online learning platform
We have an entire course teaching German grammar and vocabulary.