mystery
//ˈmɪstəri//
Noun
mysterySingular
mysteriesPlural
1
Something that is difficult or impossible to understand or explain; a puzzling or inexplicable matter
The disappearance of the ancient civilization remains a mystery.
2
A novel, film, or play dealing with a puzzling crime, especially a murder
She loves reading mysteries before bed.
3
A religious truth that is incomprehensible to human reason and knowable only through divine revelation
The mystery of the Holy Trinity is central to Christian faith.
4
A secret or enigmatic quality that makes someone or something fascinating or intriguing
Her smile had a certain mystery that captivated everyone.