downfall (
http://definr.com/downfall)
n 1: failure that results in a loss of position or reputation
[syn:
ruin,
ruination]
2: the falling to earth of rain or snow or hail or sleet or
mist [syn:
precipitation]
3: a sudden decline in strength or number or importance; "the
fall of the House of Hapsburg" [syn:
fall] [ant:
rise]