Strange, not known, or not understood: In a way that is strange, not known, or not understood: Something strange or not known that has not yet been explained or understood:
Truth behind Queen Margrethe's eyewatering £620k engagement ring
Mysterious and impossible to understand. Mysterious and impossible to understand completely: Strange, not known, or not understood:
In a way that is strange, not known.
Something that is mysterious and seems impossible to understand completely: