Question

what is the correct definition of mystery??

Answer 1

something that is difficult or impossible to understand or explain.
"the mysteries of outer space"
synonyms: puzzle, enigma, conundrum, riddle, secret, unsolved problem, problem, question, question mark, closed book; informalposer

Answer 2

Mystery is something which is impossible or difficult to explain to understand. We can also call it 'suspense'.
It is anything which is remained secret or unknowned to everyone.
It is reffered as unexplained matters.
And it can be solved through critical thinking and analysis.

Hope it helps.
@pakhi6 { Brainly star }