Definition of mysterious in English:



  • 1Difficult or impossible to understand, explain, or identify:

    ‘his colleague had vanished in mysterious circumstances’
    ‘a mysterious benefactor provided the money’
    • ‘The circumstances are, of course, more mysterious than first impressions imply.’
    • ‘Come to think of it, I did hear a mysterious rustle coming from the kitchen.’
    • ‘The plays are in French, which will make the plot all the more mysterious for some people.’
    • ‘He said the police had been informed and were now investigating the mysterious disappearance.’
    • ‘A young artist has created a mysterious object in a box for a corporate assignment.’
    • ‘He was allowed to escape to the USA where he died in mysterious circumstances.’
    • ‘Should a mysterious caller come on the phone and tell you he has planted a bomb in the building where you work, what would you do?’
    • ‘With so much of a mysterious haze surrounding the sport, I clearly needed more information.’
    • ‘Kenny has a mysterious benefactor who paid for his drama school training.’
    • ‘He's the uncle of the kid who got killed in Germany under mysterious circumstances by a far right group.’
    • ‘In mysterious circumstances the gold disappeared leaving only its legend, and a map, behind.’
    • ‘The next day, everyone could talk of nothing but the mysterious woman at the ball.’
    • ‘He massages most parts of me and I'm refreshed, and contemplate mysterious scars on his body.’
    • ‘There have also been a series of mysterious disappearances in the College.’
    • ‘Two new forensic tests may have brought the mysterious case to a close.’
    • ‘When the mysterious visitor walks through the door, he hits him in the head with the plank of wood.’
    • ‘It'll explain all about this mysterious new boy that none of the girls knew about.’
    • ‘Death can only be thought of as mysterious when we try to understand it by imagining it.’
    • ‘There is certainly nothing mysterious about the company's growing association with golf.’
    • ‘The stunning cover of this mysterious novel provides a clue to its structure.’
    puzzling, strange, peculiar, curious, funny, queer, odd, weird, bizarre, mystifying, inexplicable, baffling, perplexing, bewildering, confusing, uncanny, dark, impenetrable, incomprehensible, unexplainable, unfathomable, delphic, sibylline, unaccountable, insoluble, obscure
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    1. 1.1 (of a location) having an atmosphere of strangeness or secrecy:
      ‘a dark, mysterious, windowless building’
      • ‘She spends the weekend in a mysterious castle.’
      • ‘His destination was the ruins of Quirigua, one of the mysterious ancient sites that had been described by travellers, but about which little was yet known.’
    2. 1.2 (of a person) deliberately enigmatic:
      ‘she was mysterious about herself but said plenty about her husband’
      • ‘You could simply read all this as a hymn to growing up in a magical, deeply mysterious city.’
      • ‘The roof has the same sort of mysterious but simple majesty of a big barn with six wooden trusses and exposed rafters.’
      • ‘This will all be done from a floating fortress, a mysterious place of unrivaled dark glory.’
      • ‘Nitrus looked down at his charge, following Zinc back out of the mysterious room into the main complex.’
      • ‘That mysterious room always locked up half behind the school on the left is still there.’
      enigmatic, inscrutable, secretive, sphinx-like, cloak-and-dagger, reticent, non-committal, discreet, evasive, furtive, surreptitious, covert
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Late 16th century: from French mystérieux, from mystère mystery.