enigma
noun /ɪˈnɪɡmə/
/ɪˈnɪɡmə/
- a person, thing or situation that is mysterious and difficult to understand synonym mystery, puzzle
- Even after years he still remains an enigma to me.
Extra Examples- Madeleine was still very much an enigma to him.
- Nobody really knows the answer. It's something of an enigma.
- The enigma of the giant stones draws visitors from around the world.
- The tower presents an enigma. How old is it? Who built it?
Word Originmid 16th cent.: via Latin from Greek ainigma ‘riddle’, from ainissesthai ‘speak allusively’, from ainos ‘fable’.