Synonym: hidden, mystical, occult, profound, recondite, secret. Similar words: various, curious, oyster, laboriously, interior, esterification, step by step, period. Meaning: [mɪ'stɪrɪəs /mɪ'stɪə-] 
adj. 1. of an obscure nature 2. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding.
adj. 1. of an obscure nature 2. having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding. 
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61. But it will have to be more than the mysterious death used in the old, simple detective story.
62. The new system was as deep and mysterious as its chromatic code name implied.
63. Some had died in rather mysterious circumstances, others been sent abroad on this task or the other.
64. The sun must only be a rare visitor to this mysterious landscape where spring flowers push through the slowly melting ice.
65. The true whole divine power remained hidden and mysterious and mortal man was unable to see its perfection.
66. Nog is a mysterious itinerant who sells the narrator a foam-rubber octopus, and whose name he adopts as an alias.
67. Like sand in an hourglass, simultaneously pulled in both directions by the mysterious appetite of a two-headed gravity.
68. Whilst she was employed as a maid in various establishments, other staff members met mysterious deaths, usually from poison.
69. All of them with a tap root deep in history and branches lost in mysterious mist.
70. The relationship came to light when a mysterious note was handed to a barrister at an earlier hearing.
71. It's all very mysterious - why, for instance, does Cape still need a managing director but not Chatto?
72. In some mysterious way, from this horror of blank boundless vacancy the best of all things came into being.
73. Who was the young page, and the mysterious young fop who had trailed them?
74. Visiting the megaliths, especially the circles, grounds us in the long and mysterious history of humanity.
75. There is, she says, always a mysterious death at its heart.
76. Mysterious white beams stream down into the cold desert from saucer-shaped craft. Sonic booms rumble in the valleys at all hours.
77. There is a theme running through the magazine of crushes on gorgeous men, and mysterious romances with strange disappearing boys.
78. Barrymore did not know in which of them the mysterious man was living.
79. Those mysterious dark eyes of his drifted over her, unhurriedly, seeming to burn where they touched her.
80. The mysterious quantity, volume, is captured with economy and simplicity inside the cage.
81. His traveling companion is a mysterious and quiet fellow called Sam.
82. Read in studio A search has been launched after a couples mysterious disappearance.
83. The latter is the branch line on which the mysterious ghost train was heard.
84. Some one has been murdered in mysterious circumstances: how has it come about?
85. Elsewhere in the locality,(www.Sentencedict.com) a mysterious stranger is murdering young homosexuals.
86. In other respects they are rather mysterious - more so in fact than seems to have been widely realized.
87. Nowadays, of course, we understand that it was this way of talking about ethical abstractions that made them seem so mysterious.
88. As I looked round the hut, I knew that the mysterious man must have a very strong character.
89. Mysterious indigo with its connotations of protection was a substance and colour full of symbolism in the distant places of Arabia.
90. Newly found Aztec artifacts may shed some light on their mysterious culture.
More similar words: various, curious, oyster, laboriously, interior, esterification, step by step, period, system, ecosystem, solar system, envious, anxious, dubious, obvious, previous, officious, oblivious, bumptious, vivacious, obviously, ambitious, previously, suspicious, pugnacious, loquacious, subconsciously, consciousness, foster, poster.