Full of, characterized by, or involving mystery. This is reminiscent of the extraordinary relationship which amputees develop with their artificial replacements, revealing a whole inner mysterious. The meaning of mysterious is of, relating to, or constituting mystery.
The Mysterious Rise of Pope Leo XIV Secrets of America’s First Pope
Inscrutable applies to that which is. That which is mysterious, by being unknown or puzzling, excites curiosity or awe: How to use mysterious in a sentence.
Someone or something that is mysterious is strange and is not known about or understood.
He died in mysterious circumstances. See examples of mysterious used in a sentence.