He died in mysterious circumstances. 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.
Darcy Moore Collingwood’s AFL Captain and Star OCNJ Daily
That which is mysterious, by being unknown or puzzling, excites curiosity or awe: Inscrutable applies to that which is. Full of, characterized by, or involving mystery.
The meaning of mysterious is of, relating to, or constituting mystery.
How to use mysterious in a sentence. See examples of mysterious used in a sentence.