enigma
e-nig-ma
noun
A person or thing that is mysterious, puzzling, or difficult to understand.
"His past remains an absolute enigma to us all."
Thesaurus
Synonyms: secret, closed book, mystery, conundrum, riddle, brain-teaser
e-nig-ma
A person or thing that is mysterious, puzzling, or difficult to understand.
"His past remains an absolute enigma to us all."
Synonyms: secret, closed book, mystery, conundrum, riddle, brain-teaser