Synonym: mystery, problem, puzzle, riddle, stumper. Similar words: stigma, denigrate, paradigm, dogmatic, a young man, pragmatic, night, at night. Meaning: [ɪ'nɪgmə] 
n. 1. something that baffles understanding and cannot be explained 2. a difficult problem.
n. 1. something that baffles understanding and cannot be explained 2. a difficult problem. 
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61. The Enigma machine was an advanced electro - mechanical cipher machine developed in Germany after World War 1.
62. The multi - platinum debut ENIGMA 1 took its form from Gregorian chants, flutes, and deeply sensual grooves.
63. Even among his closest followers , Mr Mbeki remains an enigma.
64. It is still an enigma that how he successfully solve that problem.
65. Beyond that, Svoboda remains an enigma - which is probably just how he likes it.
66. One of my favorite examples of an early computer was done by Alan Turing, one of the great computer scientists of all time, Alan Turing It was actually used during WWII to break German Enigma codes.
67. Alan Turing, a mathematician most famous for his work on breaking the German Enigma codes, was convicted of ‘gross indecency’ in 1952 and sentenced to chemical castration.Sentencedict.com
68. The desire of this noetic Other is an enigma, and this enigma is tied into the(9) structural foundation of its castration.
69. Even after all the testimonies, the murder remained a enigma.
70. Here the changes lie in constantly trying out new wirings of the Enigma plugboard.
71. So, a near-legendary figure in the history of the American West for her indispensible role on the Lewis and Clark Expedition, Sacagawea has become an enigma for historians seeking to trace her life.
72. The mysterious phenomenon of energy transformation remains to be an unsolved enigma.
73. Kreuger scarcely merits attention as a personality, although he had charm enough to court another great Swedish enigma, Greta Garbo.
74. On the surface, the Enigma cipher machine looked like a regular typewriter, but it wasn't.
More similar words: stigma, denigrate, paradigm, dogmatic, a young man, pragmatic, night, at night, by night, nigeria, midnight, nightmare, niggardly, overnight, building materials, at midnight, night and day, day and night, penis, zenith, senior, even if, senile, denial, lenient, evening, opening, juvenile, penitent, serenity.