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 way that is strange, not known, or not understood:

Example:
"Perhaps, and perhaps not," she said mysteriously.