Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mystery”

See all translations

mystery

noun uk   /ˈmɪs.tər.i/ us    /-tɚ-/

mystery noun (STRANGE/UNKNOWN THING)

B1 [C or U] 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!
More examples

mystery noun (BOOK/ FILM/PLAY)

[C] a book, film, or play, especially about a crime or a murder, with a surprise ending that explains all the strange events that have happened: I really enjoy murder mysteries. a mystery writer
(Definition of mystery from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mystery?
Add Cambridge dictionaries to your browser to your website

Definitions of “mystery” in other dictionaries

Word of the Day

cold snap

a short period of cold weather

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More