Meaning of the word mysteriously in English

What does mysteriously mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

mysteriously

US /mɪˈstɪr.i.əs.li/
UK /mɪˈstɪə.ri.əs.li/

Adverb

in a mysterious manner; in a way that is difficult or impossible to understand or explain

Example:
The old house was mysteriously empty, with all its furniture gone.
The lights flickered and then mysteriously went out.