unspecified (adjective)

1. The author created an atmosphere of unspecified terror that kept the readers on edge throughout the entire novel.

2. In the anime series, the main character possessed unspecified powers that were gradually revealed as the story unfolded.

3. The poet used an unspecified setting to create a sense of mystery and intrigue in their writing.

4. The ancient text contained an unspecified prophecy that was said to reveal the fate of the world.