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