mystery
noun
[ ˈmɪst(ə)ri ]
• something that is difficult or impossible to understand or explain.
• "the mysteries of outer space"
Similar:
puzzle,
enigma,
conundrum,
riddle,
secret,
unsolved problem,
problem,
question,
question mark,
closed book,
poser,
• a novel, play, or film dealing with a puzzling crime, especially a murder.
• "the 1920s murder mystery, The Ghost Train"
• the secret rites of Greek and Roman pagan religion, or of any ancient or tribal religion, to which only initiates are admitted.
• a religious belief based on divine revelation, especially one regarded as beyond human understanding.
• "the mystery of Christ"
Origin:
Middle English (in the sense ‘mystic presence, hidden religious symbolism’): from Old French mistere or Latin mysterium, from Greek mustērion ; related to mystic.
mystery
noun
• a handicraft or trade, especially when referred to in indentures.
Origin:
late Middle English: from medieval Latin misterium, contraction of ministerium ‘ministry’, by association with mysterium (see mystery1).