mysterious
//mɪˈstɪəriəs//
Adjective
mysteriousCanonical form
more mysteriousComparative
most mysteriousSuperlative
1
difficult or impossible to understand, explain, or identify; full of mystery
A mysterious light appeared in the sky last night.
2
deliberately keeping something secret or obscure; enigmatic in manner
She gave me a mysterious smile and refused to answer my question.