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