I was to jump off a 30 metre cliff without any gear I would meet my certain demise.
Easy access to resources for homework answers could mean the demise of real learning in education.
In most contexts, demise means death. Here's an example:She had no idea that eating the poisoned cotton candy would lead to her demise.
Pizarro singlehandedly organized the demise of the Inca empire.
Reading this will cause your demise.
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