mystery, problem, enigma, riddle, puzzle mean something which baffles or perplexes. mystery applies to what cannot be fully understood by reason or less strictly to whatever resists or defies explanation. …

Mystery definition: anything that is kept secret or remains unexplained or unknown.. See examples of MYSTERY used in a sentence.

MYSTERY definition: 1. something strange or not known that has not yet been explained or understood: 2. a book, film…. Learn more.

Mar 24, 2025 · Mystery novels are often called “whodunnits” because they turn the reader into a detective trying to figure out the who, what, when, and how of a particular crime.

If you talk about the mystery of someone or something, you are talking about how difficult they are to understand or know about, especially when this gives them a rather strange or magical quality.

Definition of mystery noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

mystery noun Anything that arouses curiosity or perplexes because it is unexplained, inexplicable, or secret:

There are six meanings listed in OED's entry for the noun mystery, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

MYSTERY definition: 1. something strange or unknown that cannot be explained or understood: 2. a story, often about a…. Learn more.

It was an exciting year for mysteries and thrillers, and we’re celebrating the books that kept us hooked. Below are our favorite mystery and thriller books of 2025, some written by genre legends, others by …