mystery
A synonym for "paradox" is enigma. There are no antonyms. Please see the related link below.
An enigma is a puzzle, or a situation that is perplexing, inexplicable, or ambiguous. Synonyms can be puzzle, riddle, mystery, question, or conundrum.
Synonyms for a mystery are enigma, secret, puzzle, conundrum, riddle, or unknown.For a mystery novel, it could be a whodunit, suspense story, or thriller.
A2, b3, c1, d4
The use of the word enigma is apparently an enigma to you! Delicious irony!
"An enigma wrapped in mystery and riddled with controversy" is how UFO's have been described. He/she is an enigma. The location of 'The Lost Dutchman' gold mine remains an enigma.
Enigma is a complex riddle or puzzle.
The Enigma goes by Slug.
El código Enigma in Spanish is "the Enigma code" in English.
How about a conundrum? Or an enigma.
The Pernicious Enigma was created in 1997.
The ISBN of The Great Enigma is 9100103101.