Synonyms: mystery, closed book, enigma, secret
Definition: something that baffles understanding and cannot be explained
Usage: how it got out is a mystery; it remains one of nature's secrets
Similar words: perplexity
Definition: trouble or confusion resulting from complexity
Synonyms: whodunit, mystery, mystery story
Definition: a story about a crime (usually murder) presented as a novel or play or movie
Similar words: story
Definition: a piece of fiction that narrates a chain of related events
Usage: he writes stories for the magazines