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See examples of mystery used in a sentence. Mystery noun anything that arouses curiosity or perplexes because it is unexplained, inexplicable, or secret: Mystery, problem, enigma, riddle, puzzle mean something which baffles or perplexes. Mystery fiction can be detective stories in which the emphasis is on the puzzle or suspense element and its logical solution such as a … Something strange or not known that has not yet been explained or understood: Anything that is kept secret or remains unexplained or unknown. Mystery applies to what cannot be fully understood by …
