"Tragic consequences" refers to the harmful or disastrous outcomes resulting from a particular event or situation that causes great sorrow or suffering. Full definition
If current trends continue, this century will witness unprecedented climate change and the destruction of the ecosystem, with tragic consequences for us all. (dotearth.blogs.nytimes.com)
Failure to follow these special guidelines can result in tragic consequences for your cat. (greycanine.com)
A truck accident often results in tragic consequences for the people involved. (legalinfo.com)