/ mɪˈstiːk; NAmE / noun
[ U , sing. ] the quality of being mysterious or secret that makes sb/sth seem interesting or attractive :
The mystique surrounding the monarchy has gone for ever.
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WORD ORIGIN
late 19th cent.: from French , from Old French , or via Latin from Greek mustikos , from mustēs initiated person from muein close the eyes or lips, also initiate.