Answer: mysterious

AnswerCrossword Clue
MYSTERIOUSOf a secret nature
MYSTERIOUSVery strange
MYSTERIOUSCabalistic.
MYSTERIOUS"The ... Lady," 1928 film
mysteriousDifficult or impossible to understand, explain, or identify
mysterious(of a person) Deliberately enigmatic
mysteriousof, relating to, or constituting mystery
mysterious(of a location) Having an atmosphere of strangeness or secrecy