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English definition of “mystery”

mystery

noun [C or U] (STRANGE/UNKNOWN THING)    /ˈmɪs.tər.i/ US  /-tɚ-/
B1 something strange or not known that has not yet been explained or understood: How the massive stones were brought here from hundreds of miles away is/remains a mystery. The mystery was solved when the police discovered the murder weapon. The book tries to explain some of the mysteries of life. The details of the scandal remain cloaked/shrouded/wrapped in mystery. It's a complete mystery (to me) that/why (= I do not understand why) she married him at all!Confusion, confusing and feeling confused
(Definition of mystery noun (STRANGE/UNKNOWN THING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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