Perplexing person (6)

I believe the answer is:

enigma

(Other definitions for enigma that I've seen before include "Gamine being a bit of a puzzle" , "Puzzle of gamine (6)," , "Elgar Variations nickname" , "Mysterious person" , "'Puzzle, riddle (6)'" .)

I've seen this clue in the Newsday.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.