mysteries
Definitions
Anything that is kept secret or remains unexplained or unknown.
A genre of literature, film, or television in which a puzzle, typically a crime, is solved.
A profound, inexplicable, or secret quality or thing.
Examples
The deep ocean remains one of the greatest mysteries of the natural world.
She spent her entire weekend reading classic detective novels filled with unsolved mysteries.
Synonyms
enigmas puzzles conundrums secrets riddles obscurities unknowns
Antonyms
certainties facts truths explanations clarities solutions open books