Words similar to enigma

Example sentences for: enigma

How can you use “enigma” in a sentence? Here are some example sentences to help you improve your vocabulary:

Joseph finds her enigmatic, but the only real enigma about this self-absorbed woman that we're ever aware of is her anorexia.
If susceptible teenagers watched that program, perhaps they will be inspired to work on Linear A, still an enigma, owing largely to the paucity of corpus.
But the disease remains an enigma to many, and it often goes undiagnosed, even in endemic areas.
Why the letters are reversed is a puzzling enigma.
Book -- The One Best Way: Frederick Winslow Taylor and the Enigma of Efficiency , by Robert Kanigel;