Enigmatic (adj)
en-ig-mat-ik
resembling an enigma, or a puzzling occurrence, situation, statement, person, etc.; perplexing; mysterious.
First recorded in 1620–30; from Late Latin aenigmaticus, from Greek ainigmatikós, equivalent to ainigmat- (stem of aínigma “riddle, taunt”)
Example sentences
“Her enigmatic personality.”