Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) mystery, enigma, secret, closed book (something that baffles understanding and cannot be explained) "how it got out is a mystery"; "it remains one of nature's secrets"
S: (n) mystery, mystery story, whodunit (a story about a crime (usually murder) presented as a novel or play or movie)