The word demise is a noun. A demise is an end or a death.
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Your Demise was created in 2003.
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The demise of something or someone is their end or death. ...the demise of the reform movement. Smoking, rather than genetics, was the cause of his early demise.
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His poor language skills lead to his demise! :-)
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It may have been Mark Twain but he said "my demise" not "your
demise".