Mystery
Noun
UK
/ˈmɪstəri/
US
/ˈmɪstəri/
Definition
Something unknown, unclear, or difficult to explain.
Example
"The noise was a mystery."
"The reason for the sudden power cut remained a mystery until the workers checked the wires."
"He loves reading mystery books because he enjoys trying to guess the ending."
Explanation
A mystery is something that you cannot understand or explain at first. It may be a strange event, a hidden truth, or something that causes curiosity. For example, the missing keys were a mystery. It can also mean a story (like a book or movie) where someone tries to solve a case, like they enjoy reading mystery novels.